diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index bddff70..0a5216a 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -244,7 +244,7 @@ void FGCom::init()
 
   SG_LOG(SG_SOUND, SG_ALERT, "FGCom: init");
         
-            mesPopup("PTT按下，请讲...",5);
+  //          mesPopup("PTT按下，请讲...",5);
 
 }
 
@@ -641,7 +641,7 @@ void FGCom::valueChanged(SGPropertyNode *prop)
           // ensure that we are on the right channel by calling setupCommFrequency  
           //fgSetString("/sim/screen/red","PTT按下，请讲...");
 
-          //mesPopup("PTT按下，请讲...",5);
+          mesPopup("PTT按下，请讲...",5);
 
           setupCommFrequency();
           iaxc_output_level_set(0.0);