diff --git a/A320-main.xml b/A320-main.xml
index 21c0a7a0..8994d92f 100644
--- a/A320-main.xml
+++ b/A320-main.xml
@@ -158,6 +158,10 @@
 			<!-- 10 is sound -->
 		</systems>
 		
+		<sound>
+			<suppress-warning type="bool">1</suppress-warning>
+		</sound>
+	
 		<sounde>
 			<seatbelt-sign type="bool">0</seatbelt-sign>
 			<no-smoking-sign type="bool">0</no-smoking-sign>
@@ -597,6 +601,12 @@
 		<electric>
 			<avionics-switch type="bool">true</avionics-switch>
 		</electric>
+		<electrical>
+			<idg>
+				<left-idg-disc type="bool">false</left-idg-disc>
+				<right-idg-disc type="bool">false</right-idg-disc>
+			</idg>
+		</electrical>
 		<engines>
 			<engine-start-switch type="int">1</engine-start-switch>
 			<engine n="0">
diff --git a/Sounds/A320-common-sound.xml b/Sounds/A320-common-sound.xml
index cc1471ba..233a2281 100644
--- a/Sounds/A320-common-sound.xml
+++ b/Sounds/A320-common-sound.xml
@@ -57,7 +57,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/mechanical-volume</property>
+				<property>/systems/acconfig/options/sound/mechanical-volume</property>
 			</volume>
 		</hyd-yellow>
 		
@@ -70,7 +70,7 @@
 				<property>/systems/hydraulic/ptu-active</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/mechanical-volume</property>
+				<property>/systems/acconfig/options/sound/mechanical-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -157,7 +157,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -194,7 +194,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -229,7 +229,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -264,7 +264,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -299,7 +299,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -334,7 +334,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -369,7 +369,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -404,7 +404,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -439,7 +439,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -474,7 +474,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -509,7 +509,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -544,7 +544,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -579,7 +579,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -628,7 +628,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -675,7 +675,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -711,7 +711,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -746,7 +746,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -827,7 +827,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -859,7 +859,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>40.0</factor>
 			</volume>
 		</apoff>
@@ -889,7 +889,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>40.0</factor>
 			</volume>
 		</apoff>
@@ -907,7 +907,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>40.0</factor>
 			</volume>
 		</apoff>
@@ -996,7 +996,7 @@
 				<property>gear/gear[0]/wow</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</wow>
 		
@@ -1008,7 +1008,7 @@
 				<property>gear/gear[1]/wow</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</wow>
 		
@@ -1020,7 +1020,7 @@
 				<property>gear/gear[2]/wow</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</wow>
 		
@@ -1116,7 +1116,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1131,7 +1131,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1146,7 +1146,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1161,7 +1161,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1176,7 +1176,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1191,7 +1191,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1206,7 +1206,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1221,7 +1221,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1236,7 +1236,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1251,7 +1251,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1266,7 +1266,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1281,7 +1281,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1296,7 +1296,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1311,7 +1311,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1326,7 +1326,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1341,7 +1341,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1359,7 +1359,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</sb>
 		<ns>
@@ -1376,7 +1376,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</volume>
 		</ns>
 		
@@ -1388,7 +1388,7 @@
 				<property>/sim/sounde/btn1</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1401,7 +1401,7 @@
 				<property>/sim/sounde/oh-btn</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1414,7 +1414,7 @@
 				<property>/sim/sounde/btn3</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1427,7 +1427,7 @@
 				<property>/sim/sounde/knb1</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</switch>
@@ -1440,7 +1440,7 @@
 				<property>/sim/sounde/switch1</property>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1456,7 +1456,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1486,7 +1486,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</cvrtone>
@@ -1502,7 +1502,7 @@
 				</greater-than>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.80</factor>
 			</volume>
 		</relay>
@@ -1518,7 +1518,7 @@
 				</greater-than>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.80</factor>
 			</volume>
 		</relay>
@@ -1540,7 +1540,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</relay>
@@ -1556,7 +1556,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</relay>
@@ -1581,7 +1581,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</relay>
diff --git a/Systems/cfm56-sound.xml b/Systems/cfm56-sound.xml
index b7701127..3ddb5ff2 100644
--- a/Systems/cfm56-sound.xml
+++ b/Systems/cfm56-sound.xml
@@ -15,7 +15,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -48,7 +48,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -138,7 +138,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -171,7 +171,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -261,7 +261,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -294,7 +294,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -384,7 +384,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -418,7 +418,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -509,7 +509,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -542,7 +542,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -632,7 +632,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -667,7 +667,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -759,7 +759,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -794,7 +794,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -886,7 +886,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -919,7 +919,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -1009,7 +1009,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -1040,7 +1040,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -1131,7 +1131,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1164,7 +1164,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1254,7 +1254,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1289,7 +1289,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1381,7 +1381,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1414,7 +1414,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1504,7 +1504,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -1537,7 +1537,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -1627,7 +1627,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -1659,7 +1659,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -1748,7 +1748,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1778,7 +1778,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1865,7 +1865,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.62</ind> <dep>0.000</dep></entry>
@@ -1898,7 +1898,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.62</ind> <dep>0.000</dep></entry>
@@ -1988,7 +1988,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -2019,7 +2019,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -2127,7 +2127,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -2160,7 +2160,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -2250,7 +2250,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2283,7 +2283,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2373,7 +2373,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2406,7 +2406,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2496,7 +2496,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2530,7 +2530,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2621,7 +2621,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2654,7 +2654,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2744,7 +2744,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2777,7 +2777,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2867,7 +2867,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2902,7 +2902,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2994,7 +2994,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -3029,7 +3029,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -3121,7 +3121,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -3153,7 +3153,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -3242,7 +3242,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -3273,7 +3273,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -3372,7 +3372,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -3405,7 +3405,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -3495,7 +3495,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -3528,7 +3528,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -3618,7 +3618,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3651,7 +3651,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3741,7 +3741,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3775,7 +3775,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3866,7 +3866,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -3899,7 +3899,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -3989,7 +3989,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4024,7 +4024,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4116,7 +4116,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4151,7 +4151,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4243,7 +4243,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -4276,7 +4276,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -4366,7 +4366,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -4397,7 +4397,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -4500,7 +4500,7 @@
                     <entry><ind>22.0</ind> <dep>0.10</dep></entry>
                 </table>
             <property>sim/sound/internal-custom</property>
-			<property>/sim/sound/mechanical-volume</property>
+			<property>/systems/acconfig/options/sound/mechanical-volume</property>
             </product>
         </expression> 
     </input>
@@ -4521,7 +4521,7 @@
                     <entry><ind>301</ind>  <dep>0.00</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -4542,7 +4542,7 @@
                     <entry><ind>-12</ind>  <dep>1.00</dep></entry>
                 </table>
 				<property>sim/current-view/internal</property>
-				<property>/sim/sound/avionics-volume</property>
+				<property>/systems/acconfig/options/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -4566,7 +4566,7 @@
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -4595,7 +4595,7 @@
                     <entry><ind>250</ind>  <dep>0.10</dep></entry>
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -4655,7 +4655,7 @@
 					<entry><ind>110</ind>  <dep>0.50</dep></entry>
 					<entry><ind>140</ind>  <dep>1.00</dep></entry>
 				</table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -4691,7 +4691,7 @@
 					<entry><ind>110</ind>  <dep>0.50</dep></entry>
 					<entry><ind>140</ind>  <dep>1.00</dep></entry>
 				</table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -4726,7 +4726,7 @@
 		<expression>
 			<product>
 				<value>1</value>
-				<property>/sim/sound/mechanical-volume</property>
+				<property>/systems/acconfig/options/sound/mechanical-volume</property>
 			</product>
 		</expression>
     </input>
@@ -4787,7 +4787,7 @@
 		<expression>
 			<product>
 				<property>/systems/pneumatic/pack-psi</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<value>0.025</value>
 			</product>
 		</expression> 
@@ -4810,7 +4810,7 @@
 		<expression>
 			<product>
 				<property>/systems/apu/rpm</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -4901,6 +4901,10 @@
 					<property>sim/current-view/internal</property>
 					<value>1</value>
 				</equals>
+				<equals>
+					<property>/sim/current-view/view-number</property>
+					<value>1</value>
+				</equals>
 				<equals>
 					<property>/sim/current-view/view-number</property>
 					<value>13</value>
diff --git a/Systems/leapx-sound.xml b/Systems/leapx-sound.xml
index 7b39c8a1..f7437081 100644
--- a/Systems/leapx-sound.xml
+++ b/Systems/leapx-sound.xml
@@ -10,7 +10,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.00</ind> <dep>0.00</dep></entry>
@@ -33,7 +33,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.00</ind> <dep>0.50</dep></entry>
@@ -122,7 +122,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.06</ind> <dep>0.00</dep></entry>
@@ -144,7 +144,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.06</ind> <dep>0.00</dep></entry>
@@ -166,7 +166,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.32</ind> <dep>0.00</dep></entry>
@@ -188,7 +188,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.32</ind> <dep>0.00</dep></entry>
@@ -210,7 +210,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.65</ind> <dep>0.00</dep></entry>
@@ -231,7 +231,7 @@
   <input>
     <expression>
       <product>
-		<property>/sim/sound/interior-volume</property>
+		<property>/systems/acconfig/options/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.65</ind> <dep>0.00</dep></entry>
@@ -456,7 +456,7 @@
 			<entry><ind>22.0</ind> <dep>0.10</dep></entry>
         </table>
 		<property>sim/current-view/internal</property>
-		<property>/sim/sound/mechanical-volume</property>
+		<property>/systems/acconfig/options/sound/mechanical-volume</property>
       </product>
     </expression> 
   </input>
@@ -477,7 +477,7 @@
 			<entry><ind>301</ind>  <dep>0.00</dep></entry>
         </table>
 		<property>sim/current-view/internal</property>
-		<property>/sim/sound/avionics-volume</property>
+		<property>/systems/acconfig/options/sound/avionics-volume</property>
       </product>
     </expression> 
   </input>
@@ -498,7 +498,7 @@
 			<entry><ind>-12</ind>  <dep>1.00</dep></entry>
         </table>
 		<property>sim/current-view/internal</property>
-		<property>/sim/sound/avionics-volume</property>
+		<property>/systems/acconfig/options/sound/avionics-volume</property>
       </product>
     </expression> 
   </input>
@@ -522,7 +522,7 @@
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -543,7 +543,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
                 <table>
                     <product><property>/velocities/groundspeed-kt</property><value>1</value>  </product>
                     <entry><ind>0.00</ind> <dep>0.0001</dep></entry>
@@ -611,7 +611,7 @@
 					<entry><ind>110</ind>  <dep>0.50</dep></entry>
 					<entry><ind>140</ind>  <dep>1.00</dep></entry>
 				</table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -647,7 +647,7 @@
 					<entry><ind>110</ind>  <dep>0.50</dep></entry>
 					<entry><ind>140</ind>  <dep>1.00</dep></entry>
 				</table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -682,7 +682,7 @@
 		<expression>
 			<product>
 				<value>1</value>
-				<property>/sim/sound/mechanical-volume</property>
+				<property>/systems/acconfig/options/sound/mechanical-volume</property>
 			</product>
 		</expression>
     </input>
@@ -743,7 +743,7 @@
 		<expression>
 			<product>
 				<property>/systems/pneumatic/pack-psi</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<value>0.025</value>
 			</product>
 		</expression> 
diff --git a/Systems/v2500-sound.xml b/Systems/v2500-sound.xml
index 49cc6626..f72ff280 100644
--- a/Systems/v2500-sound.xml
+++ b/Systems/v2500-sound.xml
@@ -15,7 +15,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -49,7 +49,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -140,7 +140,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -175,7 +175,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -267,7 +267,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -302,7 +302,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -394,7 +394,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -427,7 +427,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -517,7 +517,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -548,7 +548,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/interior-volume</property>
+				<property>/systems/acconfig/options/sound/interior-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -639,7 +639,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -674,7 +674,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -709,7 +709,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.58</ind>    <dep>1.00</dep></entry>
@@ -767,7 +767,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -802,7 +802,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -894,7 +894,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.12</ind> <dep>0.000</dep></entry>
@@ -927,7 +927,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.12</ind> <dep>0.000</dep></entry>
@@ -1017,7 +1017,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1047,7 +1047,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1190,7 +1190,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -1220,7 +1220,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -1307,7 +1307,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.128</ind> <dep>0.000</dep></entry>
@@ -1342,7 +1342,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.128</ind> <dep>0.000</dep></entry>
@@ -1434,7 +1434,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1469,7 +1469,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1505,7 +1505,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.702</ind> <dep>0.000</dep></entry>
@@ -1536,7 +1536,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/exterior-volume</property>
+				<property>/systems/acconfig/options/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.702</ind> <dep>0.000</dep></entry>
@@ -1638,7 +1638,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -1672,7 +1672,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -1763,7 +1763,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1798,7 +1798,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1890,7 +1890,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -1925,7 +1925,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2017,7 +2017,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2050,7 +2050,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2140,7 +2140,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2174,7 +2174,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2265,7 +2265,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -2296,7 +2296,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -2395,7 +2395,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -2429,7 +2429,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -2520,7 +2520,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -2555,7 +2555,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -2647,7 +2647,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2682,7 +2682,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2774,7 +2774,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2807,7 +2807,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2897,7 +2897,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -2930,7 +2930,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -3020,7 +3020,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -3051,7 +3051,7 @@
 		</condition>
         <expression>
             <product>
-				<property>/sim/sound/wing-volume</property>
+				<property>/systems/acconfig/options/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -3148,7 +3148,7 @@
                     <entry><ind>22.0</ind> <dep>0.10</dep></entry>
                 </table>
             <property>sim/sound/internal-custom</property>
-			<property>/sim/sound/mechanical-volume</property>
+			<property>/systems/acconfig/options/sound/mechanical-volume</property>
             </product>
         </expression> 
     </input>
@@ -3169,7 +3169,7 @@
                     <entry><ind>301</ind>  <dep>0.00</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
-			<property>/sim/sound/avionics-volume</property>
+			<property>/systems/acconfig/options/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -3190,7 +3190,7 @@
                     <entry><ind>-12</ind>  <dep>1.00</dep></entry>
                 </table>
             <property>sim/current-view/internal</property>
-			<property>/sim/sound/avionics-volume</property>
+			<property>/systems/acconfig/options/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -3214,7 +3214,7 @@
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
-			    <property>/sim/sound/effects-volume</property>
+			    <property>/systems/acconfig/options/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -3235,7 +3235,7 @@
 		</condition>
         <expression>
             <product>
-			    <property>/sim/sound/effects-volume</property>
+			    <property>/systems/acconfig/options/sound/effects-volume</property>
                 <table>
                     <product><property>/velocities/groundspeed-kt</property><value>1</value>  </product>
                     <entry><ind>0.00</ind> <dep>0.0001</dep></entry>
@@ -3303,7 +3303,7 @@
 					<entry><ind>110</ind>  <dep>0.50</dep></entry>
 					<entry><ind>140</ind>  <dep>1.00</dep></entry>
 				</table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -3339,7 +3339,7 @@
 					<entry><ind>110</ind>  <dep>0.50</dep></entry>
 					<entry><ind>140</ind>  <dep>1.00</dep></entry>
 				</table>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>
@@ -3374,7 +3374,7 @@
 		<expression>
 			<product>
 				<value>1</value>
-				<property>/sim/sound/mechanical-volume</property>
+				<property>/systems/acconfig/options/sound/mechanical-volume</property>
 			</product>
 		</expression>
     </input>
@@ -3435,7 +3435,7 @@
 		<expression>
 			<product>
 				<property>/systems/pneumatic/pack-psi</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 				<value>0.025</value>
 			</product>
 		</expression> 
@@ -3458,7 +3458,7 @@
 		<expression>
 			<product>
 				<property>/systems/apu/rpm</property>
-				<property>/sim/sound/effects-volume</property>
+				<property>/systems/acconfig/options/sound/effects-volume</property>
 			</product>
 		</expression> 
     </input>