diff --git a/app/action.c b/app/action.c
index db5a46d..3914894 100644
--- a/app/action.c
+++ b/app/action.c
@@ -324,6 +324,14 @@ void ACTION_Scan(bool bRestart)
 	}
 #endif
 
+void ACTION_SwitchDemodul(void)
+{
+	gTxVfo->Modulation++;
+	if(gTxVfo->Modulation == MODULATION_UKNOWN)
+		gTxVfo->Modulation = MODULATION_FM;
+	gRequestSaveChannel = 1;
+}
+
 void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 {
 	if (gScreenToDisplay == DISPLAY_MAIN && gDTMF_InputMode) // entering DTMF code
@@ -439,5 +447,8 @@ void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 		case ACTION_OPT_VFO_MR:
 			COMMON_SwitchVFOMode();
 			break;
+		case ACTION_OPT_SWITCH_DEMODUL:
+			ACTION_SwitchDemodul();
+			break;	
 	}
 }
diff --git a/app/action.h b/app/action.h
index 2ba6432..9cb0d7e 100644
--- a/app/action.h
+++ b/app/action.h
@@ -32,6 +32,7 @@ void ACTION_Scan(bool bRestart);
 #ifdef ENABLE_FMRADIO
 	void ACTION_FM(void);
 #endif
+void ACTION_SwitchDemodul(void);
 
 void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
 
diff --git a/settings.h b/settings.h
index d4bce95..d6cc664 100644
--- a/settings.h
+++ b/settings.h
@@ -84,6 +84,7 @@ enum {
 	ACTION_OPT_KEYLOCK,
 	ACTION_OPT_A_B,
 	ACTION_OPT_VFO_MR,
+	ACTION_OPT_SWITCH_DEMODUL,
 	ACTION_OPT_LEN
 };
 
diff --git a/ui/menu.c b/ui/menu.c
index 2fe0920..54f8959 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -359,7 +359,8 @@ const t_sidefunction SIDEFUNCTIONS[] =
 #endif
 	{"LOCK\nKEYPAD",	ACTION_OPT_KEYLOCK},
 	{"SWITCH\nVFO",		ACTION_OPT_A_B},
-	{"VFO/MR",		ACTION_OPT_VFO_MR},
+	{"VFO/MR",			ACTION_OPT_VFO_MR},
+	{"SWITCH\nDEMODUL",	ACTION_OPT_SWITCH_DEMODUL},
 };
 const t_sidefunction* gSubMenu_SIDEFUNCTIONS = SIDEFUNCTIONS;
 const uint8_t gSubMenu_SIDEFUNCTIONS_size = ARRAY_SIZE(SIDEFUNCTIONS);