From fc41319e670111b190332394bff540c46f25a611 Mon Sep 17 00:00:00 2001
From: legoboyvdlp R <legoboyvdlp@gmail.com>
Date: Sat, 16 May 2020 19:35:34 +0100
Subject: [PATCH] Correct ATC knob; correct startup sound (so it doesn't reset)

---
 Models/FlightDeck/a320.flightdeck.xml |   4 +-
 Sounds/cfm56-sound.xml                | 160 +++++++++++++-----------
 Sounds/leapx-sound.xml                | 160 +++++++++++++-----------
 Sounds/v2500-sound.xml                | 168 ++++++++++++++------------
 4 files changed, 270 insertions(+), 222 deletions(-)

diff --git a/Models/FlightDeck/a320.flightdeck.xml b/Models/FlightDeck/a320.flightdeck.xml
index 4238094f..f80e0583 100644
--- a/Models/FlightDeck/a320.flightdeck.xml
+++ b/Models/FlightDeck/a320.flightdeck.xml
@@ -806,8 +806,8 @@
 	<animation>
 		<type>rotate</type>
 		<object-name>atc_stby</object-name>
-		<factor>-35</factor>
-		<offset-deg>70</offset-deg>
+		<factor>35</factor>
+		<offset-deg>-70</offset-deg>
 		<axis>
 			<object-name>atc_stby.axis</object-name>
 		</axis>
diff --git a/Sounds/cfm56-sound.xml b/Sounds/cfm56-sound.xml
index 5d7cbbd1..137f512d 100644
--- a/Sounds/cfm56-sound.xml
+++ b/Sounds/cfm56-sound.xml
@@ -8,14 +8,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>1</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>20</y>
@@ -28,14 +29,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>1</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>-20</y>
@@ -48,14 +50,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>20</y>
@@ -68,14 +71,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>-20</y>
@@ -492,21 +496,23 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>1</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
 			<z>0</z>
 			<inner-angle>225</inner-angle>
 			<outer-angle>135</outer-angle>
-			<outer-gain>0.01</outer-gain>
+			<outer-gain>0.60</outer-gain>
 		</orientation>
 		<reference-dist>30</reference-dist>
 		<position>
@@ -521,21 +527,23 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>1</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
 			<z>0</z>
 			<inner-angle>225</inner-angle>
 			<outer-angle>135</outer-angle>
-			<outer-gain>0.01</outer-gain>
+			<outer-gain>0.60</outer-gain>
 		</orientation>
 		<reference-dist>30</reference-dist>
 		<position>
@@ -550,14 +558,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
@@ -579,14 +589,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
@@ -608,14 +620,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup-rear.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>1</x>
 			<y>0</y>
@@ -637,14 +651,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup-rear.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>1</x>
 			<y>0</y>
diff --git a/Sounds/leapx-sound.xml b/Sounds/leapx-sound.xml
index fe6a1c86..d7ff4875 100644
--- a/Sounds/leapx-sound.xml
+++ b/Sounds/leapx-sound.xml
@@ -8,14 +8,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>1</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>20</y>
@@ -28,14 +29,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>1</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>-20</y>
@@ -48,14 +50,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>20</y>
@@ -68,14 +71,15 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/start/A320_cockpit_startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>-20</y>
@@ -448,21 +452,23 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>1</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
 			<z>0</z>
 			<inner-angle>225</inner-angle>
 			<outer-angle>135</outer-angle>
-			<outer-gain>0.01</outer-gain>
+			<outer-gain>0.60</outer-gain>
 		</orientation>
 		<reference-dist>30</reference-dist>
 		<position>
@@ -477,21 +483,23 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>1</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
 			<z>0</z>
 			<inner-angle>225</inner-angle>
 			<outer-angle>135</outer-angle>
-			<outer-gain>0.01</outer-gain>
+			<outer-gain>0.60</outer-gain>
 		</orientation>
 		<reference-dist>30</reference-dist>
 		<position>
@@ -506,14 +514,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
@@ -535,14 +545,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
@@ -564,14 +576,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup-rear.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>1</x>
 			<y>0</y>
@@ -593,14 +607,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/CFM56B/external/cfm-startup-rear.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>1</x>
 			<y>0</y>
diff --git a/Sounds/v2500-sound.xml b/Sounds/v2500-sound.xml
index 65665c6c..d984382f 100644
--- a/Sounds/v2500-sound.xml
+++ b/Sounds/v2500-sound.xml
@@ -6,16 +6,17 @@
 	<engine>
 		<name>a320_startup_left</name>
 		<mode>once</mode>
-		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500-start1.wav</path>
+		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500start1.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>1</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>20</y>
@@ -26,16 +27,17 @@
 	<engine>
 		<name>a320_startup_right</name>
 		<mode>once</mode>
-		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500-start1.wav</path>
+		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500start1.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>1</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>-20</y>
@@ -46,16 +48,17 @@
 	<engine>
 		<name>a320_startup_left_2</name>
 		<mode>once</mode>
-		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500-start2.wav</path>
+		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500start2.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>20</y>
@@ -66,16 +69,17 @@
 	<engine>
 		<name>a320_startup_right_2</name>
 		<mode>once</mode>
-		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500-start2.wav</path>
+		<path>Aircraft/A320-family/Sounds/SASA/V2500/start/v2500start2.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<property>/sim/sound/internal-custom</property>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>1</factor>
+		</volume>
 		<position>
 			<x>0</x>
 			<y>-20</y>
@@ -309,21 +313,23 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/V2500/external/v2500-starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>1</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
 			<z>0</z>
 			<inner-angle>225</inner-angle>
 			<outer-angle>135</outer-angle>
-			<outer-gain>0.01</outer-gain>
+			<outer-gain>0.60</outer-gain>
 		</orientation>
 		<reference-dist>30</reference-dist>
 		<position>
@@ -338,21 +344,23 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/V2500/external/v2500-starter.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>1</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>1</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
 			<z>0</z>
 			<inner-angle>225</inner-angle>
 			<outer-angle>135</outer-angle>
-			<outer-gain>0.01</outer-gain>
+			<outer-gain>0.60</outer-gain>
 		</orientation>
 		<reference-dist>30</reference-dist>
 		<position>
@@ -367,14 +375,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/V2500/external/v2500-startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
@@ -396,14 +406,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/V2500/external/v2500-startup.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>-1</x>
 			<y>0</y>
@@ -425,14 +437,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/V2500/external/v2500-startup-rear.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[0]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[0]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>1</x>
 			<y>0</y>
@@ -454,14 +468,16 @@
 		<mode>once</mode>
 		<path>Aircraft/A320-family/Sounds/SASA/V2500/external/v2500-startup-rear.wav</path>
 		<condition>
-			<and>
-				<equals>
-					<property>/engines/engine[1]/state</property>
-					<value>2</value>
-				</equals>
-				<not><property>/sim/sound/internal-custom</property></not>
-			</and>
+			<equals>
+				<property>/engines/engine[1]/state</property>
+				<value>2</value>
+			</equals>
 		</condition>
+		<volume>
+			<property>/sim/sound/internal-custom</property>
+			<factor>-1</factor>
+			<offset>1</offset>
+		</volume>
 		<orientation>
 			<x>1</x>
 			<y>0</y>