diff --git a/app/dtmf.c b/app/dtmf.c
index 40231fd..d29492d 100644
--- a/app/dtmf.c
+++ b/app/dtmf.c
@@ -391,9 +391,9 @@ void DTMF_HandleRequest(void)
 
 bool DTMF_Reply(void)
 {
-	uint16_t    Delay;
-	char        String[20];
-	const char *pString = NULL;
+	const uint16_t Delay   = (g_eeprom.dtmf_preload_time < 150) ? 150 : g_eeprom.dtmf_preload_time;
+	const char    *pString = NULL;
+	char           String[20];
 
 	switch (g_dtmf_reply_state)
 	{
@@ -439,8 +439,6 @@ bool DTMF_Reply(void)
 	if (pString == NULL)
 		return false;
 
-	Delay = (g_eeprom.dtmf_preload_time < 200) ? 200 : g_eeprom.dtmf_preload_time;
-
 	if (g_eeprom.dtmf_side_tone)
 	{	// the user will also hear the transmitted tones
 		GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
diff --git a/driver/bk4819.c b/driver/bk4819.c
index 9d466bf..9cdc5a4 100644
--- a/driver/bk4819.c
+++ b/driver/bk4819.c
@@ -1043,8 +1043,8 @@ void BK4819_StartTone1(const uint16_t frequency, const unsigned int level, const
 	if (set_dac)
 	{
 		BK4819_WriteRegister(BK4819_REG_30, 0);
-		BK4819_WriteRegister(BK4819_REG_30, BK4819_REG_30_ENABLE_AF_DAC | BK4819_REG_30_ENABLE_DISC_MODE | BK4819_REG_30_ENABLE_TX_DSP);
-		//BK4819_EnableTXLink();
+		//BK4819_WriteRegister(BK4819_REG_30, BK4819_REG_30_ENABLE_AF_DAC | BK4819_REG_30_ENABLE_DISC_MODE | BK4819_REG_30_ENABLE_TX_DSP);
+		BK4819_EnableTXLink();
 	}
 
 	BK4819_WriteRegister(BK4819_REG_71, scale_freq(frequency));
diff --git a/firmware.bin b/firmware.bin
index 19e62cd..7dd0471 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 0c8e156..6f50b8d 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/radio.c b/radio.c
index 14220f8..da82f97 100644
--- a/radio.c
+++ b/radio.c
@@ -1138,8 +1138,7 @@ void RADIO_tx_eot(void)
 		{
 			GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
 			g_enable_speaker = true;
-//			SYSTEM_DelayMs(60);
-			SYSTEM_DelayMs(5);
+			SYSTEM_DelayMs(60);
 		}
 		BK4819_EnterDTMF_TX(g_eeprom.dtmf_side_tone);
 		BK4819_PlayDTMFString(