diff --git a/Models/Instruments/OHpanel/OHpanel.xml b/Models/Instruments/OHpanel/OHpanel.xml
index c9770c42..263e8d5b 100644
--- a/Models/Instruments/OHpanel/OHpanel.xml
+++ b/Models/Instruments/OHpanel/OHpanel.xml
@@ -3199,6 +3199,73 @@
 	</animation>
 	
 	<!-- Cabin Pressurization -->
+	<animation>
+		<type>pick</type>
+		<object-name>ManVSCTLSwitch</object-name>
+		<action>
+			<button>0</button>
+			<repeatable>true</repeatable>
+			<binding>
+				<command>nasal</command>
+				<script>libraries.increaseManVS();</script>
+			</binding>
+			<binding>
+				<command>property-assign</command>
+				<property>/systems/pressurization/outflowpos-man-sw</property>
+				<value>1</value>
+			</binding>
+			<mod-up>
+				<binding>
+					<command>property-assign</command>
+					<property>/systems/pressurization/outflowpos-man-sw</property>
+					<value>0</value>
+				</binding>
+			</mod-up>
+		</action>
+		<action>
+			<button>1</button>
+			<repeatable>true</repeatable>
+			<binding>
+				<command>nasal</command>
+				<script>libraries.decreaseManVS();</script>
+			</binding>
+			<binding>
+				<command>property-assign</command>
+				<property>/systems/pressurization/outflowpos-man-sw</property>
+				<value>-1</value>
+			</binding>
+			<mod-up>
+				<binding>
+					<command>property-assign</command>
+					<property>/systems/pressurization/outflowpos-man-sw</property>
+					<value>0</value>
+				</binding>
+			</mod-up>
+		</action>
+	</animation>
+	
+	<animation>
+		<name>Man VS rotate</name>
+		<type>rotate</type>
+		<object-name>ManVSCTLSwitch</object-name>
+		<property>/systems/pressurization/outflowpos-man-sw</property>
+		<interpolation>
+			<entry><ind>-1</ind><dep>-35</dep></entry>
+			<entry><ind>0</ind><dep>0</dep></entry>
+			<entry><ind>1</ind><dep>35</dep></entry>
+		</interpolation>
+		<axis>
+			<x>0</x>
+			<y>1</y>
+			<z>0</z>
+		</axis>
+		<center>
+			<x-m>-0.0128</x-m>
+			<y-m> 0.0433</y-m>
+			<z-m>-0.2186</z-m>
+		</center>
+	</animation>
+	
 	<animation>
 		<type>pick</type>
 		<object-name>CabinPressModeBtn</object-name>
@@ -3267,6 +3334,7 @@
 	<animation>
 		<type>pick</type>
 		<object-name>DitchBtn1</object-name>
+		<object-name>DitchBtn2</object-name>
 		<object-name>DitchBtn2O</object-name>
 		<action>
 			<button>0</button>
@@ -4140,6 +4208,7 @@
 			</binding>
 		</action>
 	</animation>
+	
 	<animation>
 		<name>Seatbelt sign rotate</name>
 		<type>rotate</type>
diff --git a/Nasal/libraries.nas b/Nasal/libraries.nas
index 525d1aa8..4f6d8b5a 100644
--- a/Nasal/libraries.nas
+++ b/Nasal/libraries.nas
@@ -398,3 +398,19 @@ var toggleSTD = func {
 		setprop("/modes/altimeter/std", 1);
 	}
 }
+
+var increaseManVS = func {
+	var manvs = getprop("/systems/pressurization/outflowpos-man");
+	var auto = getprop("/systems/pressurization/auto");
+	if (manvs <= 1 and manvs >= 0 and !auto) {
+		setprop("/systems/pressurization/outflowpos-man", manvs + 0.001);
+	}
+}
+
+var decreaseManVS = func {
+	var manvs = getprop("/systems/pressurization/outflowpos-man");
+	var auto = getprop("/systems/pressurization/auto");
+	if (manvs <= 1 and manvs >= 0 and !auto) {
+		setprop("/systems/pressurization/outflowpos-man", manvs - 0.001);
+	}
+}
\ No newline at end of file
diff --git a/Nasal/pneumatics.nas b/Nasal/pneumatics.nas
index 3616200f..992ee7c3 100644
--- a/Nasal/pneumatics.nas
+++ b/Nasal/pneumatics.nas
@@ -16,7 +16,6 @@ var pneu_init = func {
 	setprop("/controls/pneumatic/switches/ram-air", 0);
 	setprop("/controls/pneumatic/switches/pack-flo", 9); # LO: 7, NORM: 9, HI: 11.
 	setprop("/controls/pneumatic/switches/xbleed", 1); # SHUT: 0, AUTO: 1, OPEN: 2. # I will simulate later, once I get the knob animated. -JD
-	setprop("/controls/pressurization/auto", 1);
 	setprop("/systems/pneumatic/bleed1", 0);
 	setprop("/systems/pneumatic/bleed2", 0);
 	setprop("/systems/pneumatic/bleedapu", 0);
@@ -30,6 +29,7 @@ var pneu_init = func {
 	setprop("/systems/pneumatic/eng1-starter", 0);
 	setprop("/systems/pneumatic/eng2-starter", 0);
 	setprop("/FMGC/internal/dep-arpt", "");
+	var altitude = getprop("/instrumentation/altimeter/indicated-altitude-ft");
 	setprop("/systems/pressurization/mode", "GN");
 	setprop("/systems/pressurization/vs", "0");
 	setprop("/systems/pressurization/targetvs", "0");
@@ -39,20 +39,23 @@ var pneu_init = func {
 	setprop("/systems/pressurization/outflowpos", "0");
 	setprop("/systems/pressurization/deltap-norm", "0");
 	setprop("/systems/pressurization/outflowpos-norm", "0");
-	var altitude = getprop("/instrumentation/altimeter/indicated-altitude-ft");
+	setprop("/systems/pressurization/outflowpos-man", "0.5");
+	setprop("/systems/pressurization/outflowpos-man-sw", "0");
+	setprop("/systems/pressurization/outflowpos-norm-cmd", "0");
 	setprop("/systems/pressurization/cabinalt", altitude);
 	setprop("/systems/pressurization/targetalt", altitude); 
 	setprop("/systems/pressurization/diff-to-target", "0");
 	setprop("/systems/pressurization/ditchingpb", 0);
 	setprop("/systems/pressurization/targetvs", "0");
+	setprop("/systems/pressurization/ambientpsi", "0");
+	setprop("/systems/pressurization/cabinpsi", "0");
+	setprop("/systems/pressurization/manvs-cmd", "0");
 	setprop("/systems/ventilation/cabin/fans", 0); # aircon fans
 	setprop("/systems/ventilation/avionics/fan", 0);
 	setprop("/systems/ventilation/avionics/extractvalve", "0");
 	setprop("/systems/ventilation/avionics/inletvalve", "0");
 	setprop("/systems/ventilation/lavatory/extractfan", 0);
 	setprop("/systems/ventilation/lavatory/extractvalve", "0");
-	setprop("/systems/pressurization/ambientpsi", "0");
-	setprop("/systems/pressurization/cabinpsi", "0");
 	setprop("/controls/deice/eng1-on", 0);
 	setprop("/controls/deice/eng2-on", 0);
 	pneu_timer.start();
@@ -217,6 +220,7 @@ var master_pneu = func {
 	var altitude = getprop("/instrumentation/altimeter/indicated-altitude-ft");
 	var airport_arr_elev_ft = getprop("autopilot/route-manager/destination/field-elevation-ft");
 	var vs = getprop("/systems/pressurization/vs-norm");
+	var manvs = getprop("/systems/pressurization/manvs-cmd");
 	var ditch = getprop("/systems/pressurization/ditchingpb");
 	var outflowpos = getprop("/systems/pressurization/outflowpos");
 	var cabinalt = getprop("/systems/pressurization/cabinalt");
@@ -240,8 +244,10 @@ var master_pneu = func {
 		setprop("/systems/pressurization/vs", targetvs);
 	}
 	
-	if (cabinalt != targetalt and !wowl and !wowr and !pause) {
+	if (cabinalt != targetalt and !wowl and !wowr and !pause and auto) {
 		setprop("/systems/pressurization/cabinalt", cabinalt + ((vs / 60) / 10));
+	} else if (!auto and !pause) {
+		setprop("/systems/pressurization/cabinalt", cabinalt + ((manvs / 60) / 10));
 	}
 	
 	if (ditch and auto) {
diff --git a/Systems/libraries.xml b/Systems/libraries.xml
index ab5104c7..b552a142 100644
--- a/Systems/libraries.xml
+++ b/Systems/libraries.xml
@@ -368,6 +368,32 @@
 		<max-rate-of-change>1</max-rate-of-change>
 	</filter>
 	
+	<filter>
+        <name>Outflow logic</name>
+        <type>gain</type>
+        <gain>1</gain>
+        <update-interval-secs type="double">0.1</update-interval-secs>
+        <input> 
+			<condition>
+				<equals>
+					<property>/systems/pressurization/auto</property>
+					<value>0</value>
+				</equals>
+			</condition>
+			<property>/systems/pressurization/outflowpos-man</property>
+        </input>
+        <input> 
+			<condition>
+				<equals>
+					<property>/systems/pressurization/auto</property>
+					<value>1</value>
+				</equals>
+			</condition>
+			<property>/systems/pressurization/outflowpos-norm-cmd</property>
+        </input>
+        <output>/systems/pressurization/outflowpos-norm</output>   
+    </filter>
+	
 	<filter>
 		<name>Cabin VS</name>
 		<type>noise-spike</type>
@@ -424,6 +450,26 @@
 		<output>/systems/pressurization/targetvs-cmd</output>
 	</filter>
 	
+	<filter>
+		<name>VS-target-cmd-man</name>
+		<type>gain</type>
+		<gain>1</gain>
+		<update-interval-secs type="double">0.05</update-interval-secs>
+		<input>
+			<expression>
+				<table>
+					<property>/systems/pressurization/outflowpos-man</property> 
+					<entry><ind>0</ind><dep>-1000</dep></entry>
+					<entry><ind>0.5</ind><dep>0</dep></entry>
+					<entry><ind>1</ind><dep>2500</dep></entry>
+				</table>
+			</expression>
+		</input>
+		<output>/systems/pressurization/manvs-cmd</output>
+	</filter>
+	
+
+	
 	<filter>
         <name>VS-target</name>
         <type>gain</type>