diff --git a/Aircraft/Instruments-3d/RDR-160/RDR160.nas b/Aircraft/Instruments-3d/RDR-160/RDR160.nas
index 128aaf718..605a9fefd 100644
--- a/Aircraft/Instruments-3d/RDR-160/RDR160.nas
+++ b/Aircraft/Instruments-3d/RDR-160/RDR160.nas
@@ -31,18 +31,18 @@ setlistener("/sim/signals/fdm-initialized", func {
     print("KING RDR-160 ... OK");
     });
 
-setlistener("/instrumentation/radar/switch-pos", func {
+setlistener("/instrumentation/radar/switch-pos", func(n) {
     if(FDM_ON != 0){
-        var swtch = cmdarg().getValue();
+        var swtch = n.getValue();
         RADAR.getNode("switch",1).setValue(P_Str[swtch]);
         }
     });
 
-setlistener("/instrumentation/radar/set-range", func {
+setlistener("/instrumentation/radar/set-range", func(n) {
     if(FDM_ON != 0){
         var rng = RADAR.getNode("range").getValue();
-        var num = cmdarg().getValue();
-        cmdarg().setValue(0);
+        var num = n.getValue();
+        n.setValue(0);
         if(num > 0){
         rng *= 2;
         if(rng > 160){rng = 160.0;}
diff --git a/Aircraft/Instruments-3d/ky196/KY196.nas b/Aircraft/Instruments-3d/ky196/KY196.nas
index 6c26db202..1d82ac494 100644
--- a/Aircraft/Instruments-3d/ky196/KY196.nas
+++ b/Aircraft/Instruments-3d/ky196/KY196.nas
@@ -14,10 +14,10 @@ setlistener("/sim/signals/fdm-initialized", func {
     print("KY-196 Comm System ... OK");
     });
 
-setlistener("/instrumentation/ky-196/volume-adjust", func {
+setlistener("/instrumentation/ky-196/volume-adjust", func(n) {
     if(FDM_ON == 0){return;}
-    var setting = cmdarg().getValue();
-    cmdarg().setDoubleValue(0);
+    var setting = n.getValue();
+    n.setDoubleValue(0);
     comm_num = KY196.getNode("comm-num").getValue();
     var commNode = props.globals.getNode("instrumentation/comm[" ~ comm_num ~"]");
     var vol = commNode.getNode("volume").getValue() + setting;