diff --git a/app/app.c b/app/app.c
index 66cc322..0f3a564 100644
--- a/app/app.c
+++ b/app/app.c
@@ -894,7 +894,7 @@ void APP_Update(void)
 
 		APP_EndTransmission();
 
-		AUDIO_PlayBeep(BEEP_880HZ_60MS_TRIPLE_BEEP);
+		AUDIO_PlayBeep(BEEP_880HZ_60MS_DOUBLE_BEEP);
 
 		RADIO_SetVfoState(VFO_STATE_TIMEOUT);
 
diff --git a/audio.c b/audio.c
index 91e8cc6..f14a6a4 100644
--- a/audio.c
+++ b/audio.c
@@ -37,7 +37,7 @@ BEEP_Type_t gBeepToPlay = BEEP_NONE;
 void AUDIO_PlayBeep(BEEP_Type_t Beep)
 {
 
-	if (Beep != BEEP_880HZ_60MS_TRIPLE_BEEP &&
+	if (Beep != BEEP_880HZ_60MS_DOUBLE_BEEP &&
 	    Beep != BEEP_500HZ_60MS_DOUBLE_BEEP &&
 	    Beep != BEEP_440HZ_500MS &&
 #ifndef ENABLE_FEAT_F4HWN
@@ -94,7 +94,7 @@ void AUDIO_PlayBeep(BEEP_Type_t Beep)
 		case BEEP_440HZ_500MS:
 			ToneFrequency = 440;
 			break;
-		case BEEP_880HZ_60MS_TRIPLE_BEEP:
+		case BEEP_880HZ_60MS_DOUBLE_BEEP:
 #ifndef ENABLE_FEAT_F4HWN
 		case BEEP_880HZ_200MS:
 		case BEEP_880HZ_500MS:
@@ -130,7 +130,7 @@ void AUDIO_PlayBeep(BEEP_Type_t Beep)
 	uint16_t Duration;
 	switch (Beep)
 	{
-		case BEEP_880HZ_60MS_TRIPLE_BEEP:
+		case BEEP_880HZ_60MS_DOUBLE_BEEP:
 			BK4819_ExitTxMute();
 			SYSTEM_DelayMs(60);
 			BK4819_EnterTxMute();
diff --git a/audio.h b/audio.h
index 2e8bc9b..98161a0 100644
--- a/audio.h
+++ b/audio.h
@@ -39,7 +39,7 @@ enum BEEP_Type_t
 	BEEP_500HZ_30MS,
 	BEEP_600HZ_30MS,
 #endif
-	BEEP_880HZ_60MS_TRIPLE_BEEP
+	BEEP_880HZ_60MS_DOUBLE_BEEP
 };
 
 typedef enum BEEP_Type_t BEEP_Type_t;
diff --git a/driver/backlight.c b/driver/backlight.c
index 7186d4c..7868900 100644
--- a/driver/backlight.c
+++ b/driver/backlight.c
@@ -62,8 +62,8 @@ static void BACKLIGHT_Sound(void)
 {
 	if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_SOUND || gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_ALL)
 	{
-		AUDIO_PlayBeep(BEEP_880HZ_60MS_TRIPLE_BEEP);
-		AUDIO_PlayBeep(BEEP_880HZ_60MS_TRIPLE_BEEP);
+		AUDIO_PlayBeep(BEEP_880HZ_60MS_DOUBLE_BEEP);
+		AUDIO_PlayBeep(BEEP_880HZ_60MS_DOUBLE_BEEP);
 		gK5startup = false;
 	}
 	else