diff --git a/Models/FlightDeck/a320.flightdeck.xml b/Models/FlightDeck/a320.flightdeck.xml
index 271f98ea..09bc8b6f 100644
--- a/Models/FlightDeck/a320.flightdeck.xml
+++ b/Models/FlightDeck/a320.flightdeck.xml
@@ -1446,10 +1446,6 @@
 							<property>systems/electrical/bus/dc-ess</property>
 							<value>25</value>
 						</greater-than-equals>
-						<equals>					
-							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
-							<value>0</value>
-						</equals>
 					</and>
 				</condition>
 				<command>property-toggle</command>
@@ -1462,7 +1458,7 @@
 							<property>systems/electrical/bus/dc-ess</property>
 							<value>25</value>
 						</greater-than-equals>
-						<equals>					
+						<equals>
 							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
 							<value>0</value>
 						</equals>
@@ -1509,10 +1505,6 @@
 							<property>systems/electrical/bus/dc-ess</property>
 							<value>25</value>
 						</greater-than-equals>
-						<equals>					
-							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
-							<value>0</value>
-						</equals>
 					</and>
 				</condition>
 				<command>property-toggle</command>
diff --git a/Models/Instruments/OHpanel/OHpanel.xml b/Models/Instruments/OHpanel/OHpanel.xml
index 054a93e5..7150ef0e 100644
--- a/Models/Instruments/OHpanel/OHpanel.xml
+++ b/Models/Instruments/OHpanel/OHpanel.xml
@@ -1700,50 +1700,10 @@
 			</binding>
 			<binding>
 				<condition>
-					<and>
-						<equals>					
-							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
-							<value>1</value>
-						</equals>
-						<equals>					
-							<property>controls/switches/terr_on_nd_l</property>
-							<value>1</value>
-						</equals>
-					</and>						
-				</condition>
-				<command>property-assign</command>
-				<property>controls/switches/terr_on_nd_l</property>
-				<value>0</value>
-			</binding>
-			<binding>
-				<condition>
-					<and>
-						<equals>					
-							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
-							<value>1</value>
-						</equals>
-						<equals>					
-							<property>controls/switches/terr_on_nd_r</property>
-							<value>1</value>
-						</equals>
-					</and>						
-				</condition>
-				<command>property-assign</command>
-				<property>controls/switches/terr_on_nd_r</property>
-				<value>0</value>
-			</binding>
-			<binding>
-				<condition>
-					<and>
-						<equals>					
-							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
-							<value>1</value>
-						</equals>
-						<equals>					
-							<property>instrumentation/efis/inputs/terr</property>
-							<value>1</value>
-						</equals>
-					</and>						
+					<equals>					
+						<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
+						<value>1</value>
+					</equals>
 				</condition>
 				<command>property-assign</command>
 				<property>instrumentation/efis/inputs/terr</property>
@@ -1751,21 +1711,28 @@
 			</binding>
 			<binding>
 				<condition>
-					<and>
-						<equals>					
-							<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
-							<value>1</value>
-						</equals>
-						<equals>					
-							<property>instrumentation/efis[1]/inputs/terr</property>
-							<value>1</value>
-						</equals>
-					</and>						
+					<equals>					
+						<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
+						<value>1</value>
+					</equals>
 				</condition>
 				<command>property-assign</command>
 				<property>instrumentation/efis[1]/inputs/terr</property>
 				<value>0</value>
 			</binding>
+			<binding>
+				<condition>
+					<equals>					
+						<property>instrumentation/mk-viii/inputs/discretes/ta-tcf-inhibit</property>
+						<value>0</value>
+					</equals>
+				</condition>
+				<command>nasal</command>
+				<script>
+					setprop("instrumentation/efis/inputs/terr",getprop("controls/switches/terr_on_nd_l"));
+					setprop("instrumentation/efis[1]/inputs/terr",getprop("controls/switches/terr_on_nd_r"));
+				</script>
+			</binding>
 			<binding>
 				<command>nasal</command>
 				<script>libraries.pushbutton();</script>