[SKY9X/9XR-PRO] Shift in Switches display

radio/src/gui/gui_common_arm.cpp

@@ -275,7 +275,7 @@ bool isSwitchAvailable(int swtch, SwitchContext context)
 
 #if defined(PCBSKY9X)
   if (swtch >= SWSRC_FIRST_SWITCH && swtch <= SWSRC_LAST_SWITCH) {
-    (void)negative;
+    UNUSED(negative);
     return true;
   }
 #else
@@ -310,6 +310,12 @@ bool isSwitchAvailable(int swtch, SwitchContext context)
   }
 #endif
 
+#if defined(PCBSKY9X) && defined(REVX)
+  if (swtch == SWSRC_REa) {
+    return false;
+  }
+#endif
+
   if (swtch >= SWSRC_FIRST_LOGICAL_SWITCH && swtch <= SWSRC_LAST_LOGICAL_SWITCH) {
     if (context == GeneralCustomFunctionsContext) {
       return false;