diff --git a/Makefile b/Makefile
index b365122..6527aec 100644
--- a/Makefile
+++ b/Makefile
@@ -176,6 +176,7 @@ ifeq ($(ENABLE_LTO), 1)
 	CFLAGS += -flto=2
 endif
 
+CFLAGS += -Wpadded
 CFLAGS += -DPRINTF_INCLUDE_CONFIG_H
 CFLAGS += -DGIT_HASH=\"$(GIT_HASH)\"
 
diff --git a/app/action.c b/app/action.c
index 0e3ef9e..729e34f 100644
--- a/app/action.c
+++ b/app/action.c
@@ -184,10 +184,16 @@ void ACTION_Scan(bool bRestart)
 
 			if (gScanState != SCAN_OFF)
 			{
-				SCANNER_Stop();
+				#if 1
+					// keep scanning but toggle between scan lists
+					gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) & 1u;
+					gUpdateStatus = true;
+				#else
+					SCANNER_Stop();
 
-				#ifdef ENABLE_VOICE
-					gAnotherVoiceID = VOICE_ID_SCANNING_STOP;
+					#ifdef ENABLE_VOICE
+						gAnotherVoiceID = VOICE_ID_SCANNING_STOP;
+					#endif
 				#endif
 			}
 			else
@@ -200,7 +206,7 @@ void ACTION_Scan(bool bRestart)
 				#endif
 
 				// clear the other vfo's rssi level (to hide the antenna symbol)
-				gVFO_RSSI_bar_level[gEeprom.RX_CHANNEL == 0] = 0;
+				gVFO_RSSI_bar_level[(gEeprom.RX_CHANNEL + 1) & 1u] = 0;
 
 				// let the user see DW is not active
 				gDualWatchActive = false;
@@ -210,16 +216,20 @@ void ACTION_Scan(bool bRestart)
 	}
 	else
 	if (!bRestart)
-	{	// scanning
-
+	{	// keep scanning but toggle between scan lists
+		gEeprom.SCAN_LIST_DEFAULT = (gEeprom.SCAN_LIST_DEFAULT + 1) & 1u;
+		gUpdateStatus = true;
+	}
+	else
+	{	// stop scanning
 		gMonitor = false;
-
+	
 		SCANNER_Stop();
-
+	
 		#ifdef ENABLE_VOICE
 			gAnotherVoiceID = VOICE_ID_SCANNING_STOP;
 		#endif
-
+	
 		gRequestDisplayScreen = DISPLAY_MAIN;
 	}
 }
diff --git a/app/main.c b/app/main.c
index b0a31c4..dbe2c37 100644
--- a/app/main.c
+++ b/app/main.c
@@ -660,6 +660,7 @@ static void MAIN_Key_STAR(bool bKeyPressed, bool bKeyHeld)
 				return;
 
 			ACTION_Scan(false);
+
 			return;
 		}
 
diff --git a/bitmaps.c b/bitmaps.c
index 790c6f0..9bc4252 100644
--- a/bitmaps.c
+++ b/bitmaps.c
@@ -281,24 +281,54 @@ const uint8_t BITMAP_TDR2[12] =
 		0b00110001
 	};
 #endif
-
-const uint8_t BITMAP_SC[12] =
-{	// "SC"
-	0b00000000,
-	0b01000110,
-	0b01001001,
-	0b01001001,
-	0b01001001,
-	0b00110001,
-
-	0b00000000,
-	0b00111110,
+/*
+const uint8_t BITMAP_SC1[8] =
+{	// "I"
 	0b01000001,
 	0b01000001,
+	0b01111111,
+	0b01111111,
+	0b01111111,
 	0b01000001,
-	0b00100010
+	0b01000001,
+	0b00000000
 };
 
+const uint8_t BITMAP_SC2[8] =
+{	// "II"
+	0b01000001,
+	0b01111111,
+	0b01111111,
+	0b01000001,
+	0b01111111,
+	0b01111111,
+	0b01000001,
+	0b00000000
+};
+*/
+/*
+const uint8_t BITMAP_SC1[7] =
+{	// "1"
+	0b01000000,
+	0b01000000,
+	0b01000110,
+	0b01111111,
+	0b01000000,
+	0b01000000,
+	0b00000000
+};
+
+const uint8_t BITMAP_SC2[7] =
+{	// "2"
+	0b01000010,
+	0b01100001,
+	0b01010001,
+	0b01001001,
+	0b01001001,
+	0b01000110,
+	0b00000000
+};
+*/
 const uint8_t BITMAP_Antenna[5] =
 {
 	0b00000011,
@@ -385,17 +415,7 @@ const uint8_t BITMAP_VFO_NotDefault[8] =
 	0b00010100,
 	0b00001000
 };
-/*
-const uint8_t BITMAP_ScanList[6] =
-{	// diamond symbol
-	0b00001000,
-	0b00011100,
-	0b00111110,
-	0b00111110,
-	0b00011100,
-	0b00001000
-};
-*/
+
 const uint8_t BITMAP_ScanList1[6] =
 {	// 'I' symbol
 	0b00000000,
diff --git a/bitmaps.h b/bitmaps.h
index b73c516..ab0d979 100644
--- a/bitmaps.h
+++ b/bitmaps.h
@@ -46,7 +46,10 @@ extern const uint8_t BITMAP_TDR2[12];
 	extern const uint8_t BITMAP_NOAA[12];
 #endif
 
-extern const uint8_t BITMAP_SC[12];
+//extern const uint8_t BITMAP_SC1[8];
+//extern const uint8_t BITMAP_SC2[8];
+//extern const uint8_t BITMAP_SC1[7];
+//extern const uint8_t BITMAP_SC2[7];
 
 extern const uint8_t BITMAP_Antenna[5];
 extern const uint8_t BITMAP_AntennaLevel1[3];
@@ -61,7 +64,6 @@ extern const uint8_t BITMAP_MARKER[8];
 extern const uint8_t BITMAP_VFO_Default[8];
 extern const uint8_t BITMAP_VFO_NotDefault[8];
 
-//extern const uint8_t BITMAP_ScanList[6];
 extern const uint8_t BITMAP_ScanList1[6];
 extern const uint8_t BITMAP_ScanList2[6];
 
diff --git a/driver/adc.h b/driver/adc.h
index b3c8b80..cd5edc2 100644
--- a/driver/adc.h
+++ b/driver/adc.h
@@ -42,8 +42,10 @@ enum ADC_CH_MASK {
 typedef enum ADC_CH_MASK ADC_CH_MASK;
 
 typedef struct {
-	uint8_t CLK_SEL;
+	uint16_t EXTTRIG_SEL;
+	uint16_t IE_CHx_EOC;
 	ADC_CH_MASK CH_SEL;
+	uint8_t CLK_SEL;
 	uint8_t AVG;
 	uint8_t CONT;
 	uint8_t MEM_MODE;
@@ -51,13 +53,12 @@ typedef struct {
 	uint8_t SMPL_SETUP;
 	uint8_t SMPL_WIN;
 	uint8_t ADC_TRIG;
-	uint16_t EXTTRIG_SEL;
-	bool CALIB_OFFSET_VALID;
-	bool CALIB_KD_VALID;
 	uint8_t DMA_EN;
-	uint16_t IE_CHx_EOC;
 	uint8_t IE_FIFO_HFULL;
 	uint8_t IE_FIFO_FULL;
+	bool CALIB_OFFSET_VALID;
+	bool CALIB_KD_VALID;
+	uint8_t _pad[1];
 } ADC_Config_t;
 
 uint8_t ADC_GetChannelNumber(ADC_CH_MASK Mask);
diff --git a/settings.h b/settings.h
index d3795e9..7370389 100644
--- a/settings.h
+++ b/settings.h
@@ -127,7 +127,15 @@ typedef struct {
 	uint8_t               field7_0xa;
 	uint8_t               field8_0xb;
 
-	uint32_t              POWER_ON_PASSWORD;
+	#ifdef ENABLE_FMRADIO
+		uint16_t          FM_SelectedFrequency;
+		uint8_t           FM_SelectedChannel;
+		bool              FM_IsMrMode;
+		uint16_t          FM_FrequencyPlaying;
+		uint16_t          FM_LowerLimit;
+		uint16_t          FM_UpperLimit;
+	#endif
+
 	uint8_t               SQUELCH_LEVEL;
 	uint8_t               TX_TIMEOUT_TIMER;
 	bool                  KEY_LOCK;
@@ -152,25 +160,10 @@ typedef struct {
 
 	uint8_t               field29_0x26;
 	uint8_t               field30_0x27;
-
-	uint16_t              VOX1_THRESHOLD;
-	uint16_t              VOX0_THRESHOLD;
-
-	#ifdef ENABLE_FMRADIO
-		uint16_t          FM_SelectedFrequency;
-		uint8_t           FM_SelectedChannel;
-		bool              FM_IsMrMode;
-		uint16_t          FM_FrequencyPlaying;
-	#endif
 	
 	uint8_t               field37_0x32;
 	uint8_t               field38_0x33;
 
-	#ifdef ENABLE_FMRADIO
-		uint16_t          FM_LowerLimit;
-		uint16_t          FM_UpperLimit;
-	#endif
-
 	bool                  AUTO_KEYPAD_LOCK;
 	#if defined(ENABLE_ALARM) || defined(ENABLE_TX1750)
 		ALARM_Mode_t      ALARM_MODE;
@@ -216,11 +209,16 @@ typedef struct {
 	uint8_t               VOLUME_GAIN;
 	uint8_t               DAC_GAIN;
 
+	VFO_Info_t            VfoInfo[2];
+	uint32_t              POWER_ON_PASSWORD;
+	uint16_t              VOX1_THRESHOLD;
+	uint16_t              VOX0_THRESHOLD;
+
 	uint8_t               field77_0x95;
 	uint8_t               field78_0x96;
 	uint8_t               field79_0x97;
 
-	VFO_Info_t            VfoInfo[2];
+	uint8_t _pad[1];
 } EEPROM_Config_t;
 extern EEPROM_Config_t gEeprom;
 
diff --git a/ui/status.c b/ui/status.c
index 4fafd6a..b1e94bc 100644
--- a/ui/status.c
+++ b/ui/status.c
@@ -96,10 +96,17 @@ void UI_DisplayStatus(const bool test_display)
 		// SCAN indicator
 		if (gScanState != SCAN_OFF || gScreenToDisplay == DISPLAY_SCANNER || test_display)
 		{
-			memmove(line + x, BITMAP_SC, sizeof(BITMAP_SC));
-			x1 = x + sizeof(BITMAP_SC);
+			if (gEeprom.SCAN_LIST_DEFAULT == 0)
+//				memmove(line + x, BITMAP_SC1, sizeof(BITMAP_SC1));
+				UI_PrintStringSmallBuffer("1", line + x);
+			else
+//				memmove(line + x, BITMAP_SC2, sizeof(BITMAP_SC2));
+				UI_PrintStringSmallBuffer("2", line + x);
+//			x1 = x + sizeof(BITMAP_SC1);
+			x1 = x + 7;
 		}
-	x += sizeof(BITMAP_SC);
+//	x += sizeof(BITMAP_SC1);
+	x += 7;  // font character width
 
 	#ifdef ENABLE_VOICE
 		// VOICE indicator
@@ -210,23 +217,37 @@ void UI_DisplayStatus(const bool test_display)
 
 		#ifndef ENABLE_REVERSE_BAT_SYMBOL
 			line += sizeof(BITMAP_BatteryLevel1);
-			if (gBatteryDisplayLevel >= 2)
-				memmove(line -  4, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			if (gBatteryDisplayLevel >= 3)
-				memmove(line -  7, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			if (gBatteryDisplayLevel >= 4)
-				memmove(line - 10, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			if (gBatteryDisplayLevel >= 5)
-				memmove(line - 13, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			{
+				const int8_t pos[] = {-4, -7, -10, 13};
+				for (unsigned int i = 0; i < ARRAY_SIZE(pos); i++)
+					if (gBatteryDisplayLevel >= (2 + i))
+						memmove(line + pos[i], BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+	
+/*				switch (gBatteryDisplayLevel)
+				{
+					default:
+					case 5: memmove(line - 13, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+					case 4: memmove(line - 10, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+					case 3: memmove(line -  7, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+					case 2: memmove(line -  4, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				}
+*/			}
 		#else
-			if (gBatteryDisplayLevel >= 2)
-				memmove(line +  3, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			if (gBatteryDisplayLevel >= 3)
-				memmove(line +  6, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			if (gBatteryDisplayLevel >= 4)
-				memmove(line +  9, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			if (gBatteryDisplayLevel >= 5)
-				memmove(line + 12, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+		{
+			const int8_t pos[] = {3, 6, 9, 12};
+			for (unsigned int i = 0; i < ARRAY_SIZE(pos); i++)
+				if (gBatteryDisplayLevel >= (2 + i))
+					memmove(line + pos[i], BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+/*
+			switch (gBatteryDisplayLevel)
+			{
+				default:
+				case 5: memmove(line + 12, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				case 4: memmove(line +  9, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				case 3: memmove(line +  6, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				case 2: memmove(line +  3, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			}
+*/		}
 		#endif
 	}
 	else