diff --git a/app/action.c b/app/action.c
index 729e34f..c931d4f 100644
--- a/app/action.c
+++ b/app/action.c
@@ -186,7 +186,7 @@ void ACTION_Scan(bool bRestart)
 			{
 				#if 1
 					// keep scanning but toggle between scan lists
-					gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) & 1u;
+					gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) % 3;
 					gUpdateStatus = true;
 				#else
 					SCANNER_Stop();
@@ -217,7 +217,7 @@ void ACTION_Scan(bool bRestart)
 	else
 	if (!bRestart)
 	{	// keep scanning but toggle between scan lists
-		gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) & 1u;
+		gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) % 3;
 		gUpdateStatus = true;
 	}
 	else
diff --git a/app/app.c b/app/app.c
index d4b073f..9a7f783 100644
--- a/app/app.c
+++ b/app/app.c
@@ -639,12 +639,12 @@ static void FREQ_NextChannel(void)
 
 static void MR_NextChannel(void)
 {
-	static unsigned int prev_mr_chan = 0;
-	const bool          enabled      = gEeprom.SCAN_LIST_ENABLED[gEeprom.SCAN_LIST_DEFAULT];
-	const unsigned int  chan1        = gEeprom.SCANLIST_PRIORITY_CH1[gEeprom.SCAN_LIST_DEFAULT];
-	const unsigned int  chan2        = gEeprom.SCANLIST_PRIORITY_CH2[gEeprom.SCAN_LIST_DEFAULT];
-	const unsigned int  prev_chan    = gNextMrChannel;
-	unsigned int        chan         = 0;
+	static int prev_mr_chan = 0;
+	const bool enabled      = (gEeprom.SCAN_LIST_DEFAULT < 2) ? gEeprom.SCAN_LIST_ENABLED[gEeprom.SCAN_LIST_DEFAULT] : true;
+	const int  chan1        = (gEeprom.SCAN_LIST_DEFAULT < 2) ? gEeprom.SCANLIST_PRIORITY_CH1[gEeprom.SCAN_LIST_DEFAULT] : -1;
+	const int  chan2        = (gEeprom.SCAN_LIST_DEFAULT < 2) ? gEeprom.SCANLIST_PRIORITY_CH2[gEeprom.SCAN_LIST_DEFAULT] : -1;
+	const int  prev_chan    = gNextMrChannel;
+	int        chan         = 0;
 
 	if (enabled)
 	{
@@ -652,21 +652,28 @@ static void MR_NextChannel(void)
 		{
 			case SCAN_NEXT_CHAN_SCANLIST1:
 				prev_mr_chan = gNextMrChannel;
-				if (RADIO_CheckValidChannel(chan1, false, 0))
+	
+				if (chan1 >= 0)
 				{
-					//gCurrentScanList = SCAN_NEXT_CHAN_SCANLIST1;
-					gNextMrChannel = chan1;
-					break;
+					if (RADIO_CheckValidChannel(chan1, false, 0))
+					{
+						//gCurrentScanList = SCAN_NEXT_CHAN_SCANLIST1;
+						gNextMrChannel = chan1;
+						break;
+					}
 				}
-
+				
 			case SCAN_NEXT_CHAN_SCANLIST2:
-				if (RADIO_CheckValidChannel(chan2, false, 0))
+				if (chan2 >= 0)
 				{
-					gCurrentScanList = SCAN_NEXT_CHAN_SCANLIST2;
-					gNextMrChannel   = chan2;
-					break;
+					if (RADIO_CheckValidChannel(chan2, false, 0))
+					{
+						gCurrentScanList = SCAN_NEXT_CHAN_SCANLIST2;
+						gNextMrChannel   = chan2;
+						break;
+					}
 				}
-
+				
 				// this bit doesn't work at all - yet :(
 			case SCAN_NEXT_CHAN_DUAL_WATCH:
 //				if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF)
@@ -693,7 +700,7 @@ static void MR_NextChannel(void)
 
 	if (!enabled || chan == 0xffffffff)
 	{
-		chan = RADIO_FindNextChannel(gNextMrChannel + gScanState, gScanState, true, gEeprom.SCAN_LIST_DEFAULT);
+		chan = RADIO_FindNextChannel(gNextMrChannel + gScanState, gScanState, (gEeprom.SCAN_LIST_DEFAULT < 2) ? true : false, gEeprom.SCAN_LIST_DEFAULT);
 		if (chan == 0xFF)
 			return;
 
diff --git a/app/main.c b/app/main.c
index 0347b97..cf9cf19 100644
--- a/app/main.c
+++ b/app/main.c
@@ -555,20 +555,30 @@ static void MAIN_Key_MENU(const bool bKeyPressed, const bool bKeyHeld)
 					int channel  = -1;
 					int vfo      = -1;
 
-					if (IS_FREQ_CHANNEL(gEeprom.ScreenChannel[0]) &&
-						IS_MR_CHANNEL(gEeprom.ScreenChannel[1]))
-					{
-						channel = gEeprom.ScreenChannel[1];
-						vfo     = 0;
-					}
-					else
-					if (IS_FREQ_CHANNEL(gEeprom.ScreenChannel[1]) &&
-						IS_MR_CHANNEL(gEeprom.ScreenChannel[0]))
-					{
-						channel = gEeprom.ScreenChannel[0];
-						vfo     = 1;
-					}
-
+					#if 0
+						// copy channel to opposite VFO
+						if (IS_FREQ_CHANNEL(gEeprom.ScreenChannel[0]) &&
+							IS_MR_CHANNEL(gEeprom.ScreenChannel[1]))
+						{
+							channel = gEeprom.ScreenChannel[1];
+							vfo     = 0;
+						}
+						else
+						if (IS_FREQ_CHANNEL(gEeprom.ScreenChannel[1]) &&
+							IS_MR_CHANNEL(gEeprom.ScreenChannel[0]))
+						{
+							channel = gEeprom.ScreenChannel[0];
+							vfo     = 1;
+						}
+					#else
+						// copy channel to same VFO
+						if (IS_MR_CHANNEL(gEeprom.ScreenChannel[gEeprom.RX_CHANNEL]))
+						{
+							channel = gEeprom.ScreenChannel[gEeprom.RX_CHANNEL];
+							vfo     = gEeprom.RX_CHANNEL;
+						}
+					#endif
+					
 					if (channel >= 0 && vfo >= 0)
 					{	// copy the channel into the VFO
 
diff --git a/app/menu.c b/app/menu.c
index 1f874fc..7c338ca 100644
--- a/app/menu.c
+++ b/app/menu.c
@@ -284,7 +284,8 @@ int MENU_GetLimits(uint8_t Cursor, int32_t *pMin, int32_t *pMax)
 			break;
 
 		case MENU_S_LIST:
-			*pMin = 1;
+			*pMin = 0;
+//			*pMax = 1;
 			*pMax = 2;
 			break;
 
@@ -612,7 +613,7 @@ void MENU_AcceptSetting(void)
 			break;
 
 		case MENU_S_LIST:
-			gEeprom.SCAN_LIST_DEFAULT = gSubMenuSelection - 1;
+			gEeprom.SCAN_LIST_DEFAULT = gSubMenuSelection;
 			break;
 
 		#ifdef ENABLE_ALARM
@@ -1018,7 +1019,7 @@ void MENU_ShowCurrentSetting(void)
 			break;
 
 		case MENU_S_LIST:
-			gSubMenuSelection = gEeprom.SCAN_LIST_DEFAULT + 1;
+			gSubMenuSelection = gEeprom.SCAN_LIST_DEFAULT;
 			break;
 
 		case MENU_SLIST1:
diff --git a/board.c b/board.c
index 528ca60..75733e6 100644
--- a/board.c
+++ b/board.c
@@ -624,7 +624,7 @@ void BOARD_EEPROM_Init(void)
 	gEeprom.DTMF_SEPARATE_CODE           = DTMF_ValidateCodes((char *)(Data + 1), 1) ? Data[1] : '*';
 	gEeprom.DTMF_GROUP_CALL_CODE         = DTMF_ValidateCodes((char *)(Data + 2), 1) ? Data[2] : '#';
 	gEeprom.DTMF_DECODE_RESPONSE         = (Data[3] <   4) ? Data[3] : 0;
-	gEeprom.DTMF_auto_reset_time         = (Data[4] <  61) ? Data[4] : (Data[4] >= 10) ? Data[4] : 10;
+	gEeprom.DTMF_auto_reset_time         = (Data[4] <  61) ? Data[4] : (Data[4] >= 5) ? Data[4] : 10;
 	gEeprom.DTMF_PRELOAD_TIME            = (Data[5] < 101) ? Data[5] * 10 : 300;
 	gEeprom.DTMF_FIRST_CODE_PERSIST_TIME = (Data[6] < 101) ? Data[6] * 10 : 100;
 	gEeprom.DTMF_HASH_CODE_PERSIST_TIME  = (Data[7] < 101) ? Data[7] * 10 : 100;
diff --git a/driver/bk4819.c b/driver/bk4819.c
index 5f654b5..695d11f 100644
--- a/driver/bk4819.c
+++ b/driver/bk4819.c
@@ -913,7 +913,7 @@ void BK4819_EnableDTMF(void)
 	// REG_24 <3:0>  14 Max symbol number for SelCall detection
 
 //	const uint16_t threshold = 24;    // doesn't decode non-QS radios
-	const uint16_t threshold = 200;   // but 128 ~ 247 does
+	const uint16_t threshold = 160;   // but 128 ~ 247 does
 	BK4819_WriteRegister(BK4819_REG_24,                // 1 00011000 1 1 1 1110
 		  (1u        << BK4819_REG_24_SHIFT_UNKNOWN_15)
 		| (threshold << BK4819_REG_24_SHIFT_THRESHOLD)      // 0 ~ 255
diff --git a/firmware.bin b/firmware.bin
index fde602f..b7aaf07 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 78ad88a..0bd0ba5 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/ui/main.c b/ui/main.c
index 6512816..60c2c81 100644
--- a/ui/main.c
+++ b/ui/main.c
@@ -91,9 +91,11 @@ void UI_drawBars(uint8_t *p, const unsigned int level)
 			#if 1
 				// TX audio level
 
-				if (gCurrentFunction != FUNCTION_TRANSMIT)
-					return;
-
+			if (gCurrentFunction != FUNCTION_TRANSMIT ||
+			    gScreenToDisplay != DISPLAY_MAIN ||
+			    gDTMF_CallState != DTMF_CALL_STATE_NONE)
+				return;  // screen is in use
+				
 				#if defined(ENABLE_ALARM) || defined(ENABLE_TX1750)
 					if (gAlarmState != ALARM_STATE_OFF)
 						return;
@@ -170,7 +172,9 @@ void UI_drawBars(uint8_t *p, const unsigned int level)
 
 		if (gEeprom.KEY_LOCK && gKeypadLocked > 0)
 			return;     // display is in use
-		if (gCurrentFunction == FUNCTION_TRANSMIT || gScreenToDisplay != DISPLAY_MAIN)
+		if (gCurrentFunction == FUNCTION_TRANSMIT ||
+		    gScreenToDisplay != DISPLAY_MAIN ||
+			gDTMF_CallState != DTMF_CALL_STATE_NONE)
 			return;     // display is in use
 
 		if (now)
@@ -719,6 +723,10 @@ void UI_DisplayMain(void)
 		#if defined(ENABLE_AM_FIX) && defined(ENABLE_AM_FIX_SHOW_DATA)
 			if (rx && gEeprom.VfoInfo[gEeprom.RX_CHANNEL].AM_mode && gSetting_AM_fix)
 			{
+				if (gScreenToDisplay != DISPLAY_MAIN ||
+					gDTMF_CallState != DTMF_CALL_STATE_NONE)
+					return;
+
 				center_line = CENTER_LINE_AM_FIX_DATA;
 				AM_fix_print_data(gEeprom.RX_CHANNEL, String);
 				UI_PrintStringSmall(String, 2, 0, 3);
@@ -742,7 +750,13 @@ void UI_DisplayMain(void)
 				{	// show live DTMF decode
 					const unsigned int len = strlen(gDTMF_RX_live);
 					const unsigned int idx = (len > (17 - 5)) ? len - (17 - 5) : 0;  // limit to last 'n' chars
+
+					if (gScreenToDisplay != DISPLAY_MAIN ||
+						gDTMF_CallState != DTMF_CALL_STATE_NONE)
+						return;
+						
 					center_line = CENTER_LINE_DTMF_DEC;
+					
 					strcpy(String, "DTMF ");
 					strcat(String, gDTMF_RX_live + idx);
 					UI_PrintStringSmall(String, 2, 0, 3);
@@ -752,7 +766,13 @@ void UI_DisplayMain(void)
 				{	// show live DTMF decode
 					const unsigned int len = gDTMF_RX_index;
 					const unsigned int idx = (len > (17 - 5)) ? len - (17 - 5) : 0;  // limit to last 'n' chars
+
+					if (gScreenToDisplay != DISPLAY_MAIN ||
+						gDTMF_CallState != DTMF_CALL_STATE_NONE)
+						return;
+
 					center_line = CENTER_LINE_DTMF_DEC;
+					
 					strcpy(String, "DTMF ");
 					strcat(String, gDTMF_RX + idx);
 					UI_PrintStringSmall(String, 2, 0, 3);
@@ -763,7 +783,12 @@ void UI_DisplayMain(void)
 				else
 				if (gChargingWithTypeC)
 				{	// charging .. show the battery state
+					if (gScreenToDisplay != DISPLAY_MAIN ||
+						gDTMF_CallState != DTMF_CALL_STATE_NONE)
+						return;
+						
 					center_line = CENTER_LINE_CHARGE_DATA;
+					
 					sprintf(String, "Charge %u.%02uV %u%%",
 						gBatteryVoltageAverage / 100, gBatteryVoltageAverage % 100,
 						BATTERY_VoltsToPercent(gBatteryVoltageAverage));
diff --git a/ui/menu.c b/ui/menu.c
index 585d23f..424e137 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -709,7 +709,10 @@ void UI_DisplayMenu(void)
 			break;
 
 		case MENU_S_LIST:
-			sprintf(String, "LIST%u", gSubMenuSelection);
+			if (gSubMenuSelection < 2)
+				sprintf(String, "LIST%u", 1 + gSubMenuSelection);
+			else
+				strcpy(String, "ALL");
 			break;
 
 		#ifdef ENABLE_ALARM
diff --git a/ui/status.c b/ui/status.c
index b1e94bc..0927afa 100644
--- a/ui/status.c
+++ b/ui/status.c
@@ -100,8 +100,13 @@ void UI_DisplayStatus(const bool test_display)
 //				memmove(line + x, BITMAP_SC1, sizeof(BITMAP_SC1));
 				UI_PrintStringSmallBuffer("1", line + x);
 			else
+			if (gEeprom.SCAN_LIST_DEFAULT == 1)
 //				memmove(line + x, BITMAP_SC2, sizeof(BITMAP_SC2));
 				UI_PrintStringSmallBuffer("2", line + x);
+			else
+			if (gEeprom.SCAN_LIST_DEFAULT == 2)
+//				memmove(line + x, BITMAP_SCA, sizeof(BITMAP_SCA));
+				UI_PrintStringSmallBuffer("*", line + x);
 //			x1 = x + sizeof(BITMAP_SC1);
 			x1 = x + 7;
 		}