diff --git a/Makefile b/Makefile
index 8843d7d..01a7a2f 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ ENABLE_WIDE_RX                := 1
 ENABLE_TX_WHEN_AM             := 0
 ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
 ENABLE_MAIN_KEY_HOLD          := 1
+ENABLE_BOOT_BEEPS             := 1
 #ENABLE_SINGLE_VFO_CHAN       := 1
 #ENABLE_BAND_SCOPE            := 1
 
@@ -177,6 +178,9 @@ endif
 ifeq ($(ENABLE_MAIN_KEY_HOLD),1)
 	CFLAGS  += -DENABLE_MAIN_KEY_HOLD
 endif
+ifeq ($(ENABLE_BOOT_BEEPS),1)
+	CFLAGS  += -DENABLE_BOOT_BEEPS
+endif
 ifeq ($(ENABLE_SINGLE_VFO_CHAN),1)
 	CFLAGS  += -DENABLE_SINGLE_VFO_CHAN
 endif
diff --git a/README.md b/README.md
index f61ffeb..4b132a2 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ ENABLE_WIDE_RX                := 1       enable the RX in the full 18MHz to 1300
 ENABLE_TX_WHEN_AM             := 0       allow TX when RX set to AM
 ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1       use CTCSS tail phase shift rather than QS's 55Hz tone method 
 ENABLE_MAIN_KEY_HOLD          := 1       keys 0-9 can be held down to bypass having to press the F-key
+ENABLE_BOOT_BEEPS             := 1       gives the user some audio feedback on the volume level knob position at boot-up
 #ENABLE_SINGLE_VFO_CHAN       := 1       not yet implemented
 #ENABLE_BAND_SCOPE            := 1       not yet implemented
 ```
@@ -39,7 +40,7 @@ To enable the custom option, set the above option to '1'
 * Finer RSSI bar steps
 * Nicer/cleaner big numeric font than original QS big numeric font
 * Various menu re-wordings - trying to reduce 'WTH does that mean ?'
-* + others
+* plus others
 
 # Compiler
 
diff --git a/app/app.c b/app/app.c
index 5413443..4e24fc8 100644
--- a/app/app.c
+++ b/app/app.c
@@ -16,6 +16,7 @@
 
 #include <string.h>
 
+#include "scheduler.h"
 #include "app/action.h"
 #ifdef ENABLE_AIRCOPY
 	#include "app/aircopy.h"
@@ -1173,6 +1174,12 @@ void APP_TimeSlice10ms(void)
 {
 	gFlashLightBlinkCounter++;
 
+	#ifdef ENABLE_BOOT_BEEPS
+		if (boot_counter < 255)
+			if ((boot_counter % 25) == 0)
+				AUDIO_PlayBeep(BEEP_440HZ_40MS_OPTIONAL);
+	#endif
+
 	if (UART_IsCommandAvailable())
 	{
 		__disable_irq();
diff --git a/app/menu.c b/app/menu.c
index 58863d1..cef66db 100644
--- a/app/menu.c
+++ b/app/menu.c
@@ -165,12 +165,16 @@ int MENU_GetLimits(uint8_t Cursor, uint8_t *pMin, uint8_t *pMax)
 			case MENU_VOICE:
 		#endif
 		case MENU_SC_REV:
-		case MENU_PONMSG:
 		case MENU_ROGER:
 			*pMin = 0;
 			*pMax = 2;
 			break;
 
+		case MENU_PONMSG:
+			*pMin = 0;
+			*pMax = 3;
+			break;
+
 		case MENU_R_DCS:
 		case MENU_T_DCS:
 			*pMin = 0;
diff --git a/audio.c b/audio.c
index 1b8c0e4..bcf014c 100644
--- a/audio.c
+++ b/audio.c
@@ -68,7 +68,7 @@
 	
 #endif
 
-BEEP_Type_t gBeepToPlay;
+BEEP_Type_t gBeepToPlay = BEEP_NONE;
 
 void AUDIO_PlayBeep(BEEP_Type_t Beep)
 {
@@ -76,7 +76,9 @@ void AUDIO_PlayBeep(BEEP_Type_t Beep)
 	uint16_t ToneFrequency;
 	uint16_t Duration;
 
-	if (Beep != BEEP_500HZ_60MS_DOUBLE_BEEP && Beep != BEEP_440HZ_500MS && !gEeprom.BEEP_CONTROL)
+	if (Beep != BEEP_500HZ_60MS_DOUBLE_BEEP &&
+	    Beep != BEEP_440HZ_500MS &&
+		!gEeprom.BEEP_CONTROL)
 		return;
 
 	#ifdef ENABLE_AIRCOPY
@@ -106,6 +108,10 @@ void AUDIO_PlayBeep(BEEP_Type_t Beep)
 
 	switch (Beep)
 	{
+		default:
+		case BEEP_NONE:
+			ToneFrequency = 220;
+			break;
 		case BEEP_1KHZ_60MS_OPTIONAL:
 			ToneFrequency = 1000;
 			break;
@@ -113,7 +119,8 @@ void AUDIO_PlayBeep(BEEP_Type_t Beep)
 		case BEEP_500HZ_60MS_DOUBLE_BEEP:
 			ToneFrequency = 500;
 			break;
-		default:
+		case BEEP_440HZ_40MS_OPTIONAL:
+		case BEEP_440HZ_500MS:
 			ToneFrequency = 440;
 			break;
 	}
@@ -134,11 +141,19 @@ void AUDIO_PlayBeep(BEEP_Type_t Beep)
 			SYSTEM_DelayMs(60);
 			BK4819_EnterTxMute();
 			SYSTEM_DelayMs(20);
+
 			// Fallthrough
+
 		case BEEP_1KHZ_60MS_OPTIONAL:
 			BK4819_ExitTxMute();
 			Duration = 60;
 			break;
+
+		case BEEP_440HZ_40MS_OPTIONAL:
+			BK4819_ExitTxMute();
+			Duration = 40;
+			break;
+			
 		case BEEP_440HZ_500MS:
 		default:
 			BK4819_ExitTxMute();
diff --git a/audio.h b/audio.h
index 5c4b3ba..bec6126 100644
--- a/audio.h
+++ b/audio.h
@@ -26,7 +26,8 @@ enum BEEP_Type_t
 	BEEP_1KHZ_60MS_OPTIONAL,
 	BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL,
 	BEEP_440HZ_500MS,
-	BEEP_500HZ_60MS_DOUBLE_BEEP
+	BEEP_500HZ_60MS_DOUBLE_BEEP,
+	BEEP_440HZ_40MS_OPTIONAL
 };
 
 typedef enum BEEP_Type_t BEEP_Type_t;
diff --git a/board.c b/board.c
index 6c89d70..894f8ae 100644
--- a/board.c
+++ b/board.c
@@ -407,7 +407,7 @@ void BOARD_EEPROM_Init(void)
 		gEeprom.SCAN_RESUME_MODE         = (Data[5] < 3)              ? Data[5] : SCAN_RESUME_CO;
 	#endif
 	gEeprom.AUTO_KEYPAD_LOCK             = (Data[6] < 2)              ? Data[6] : false;
-	gEeprom.POWER_ON_DISPLAY_MODE        = (Data[7] < 3)              ? Data[7] : POWER_ON_DISPLAY_MODE_VOLTAGE;
+	gEeprom.POWER_ON_DISPLAY_MODE        = (Data[7] < 4)              ? Data[7] : POWER_ON_DISPLAY_MODE_VOLTAGE;
 
 	// 0E98..0E9F
 	EEPROM_ReadBuffer(0x0E98, Data, 8);
diff --git a/firmware b/firmware
index 8f67ff4..354e164 100644
Binary files a/firmware and b/firmware differ
diff --git a/firmware.bin b/firmware.bin
index e7e5a23..d1662e3 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 51f58ba..5e64482 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/helper/boot.c b/helper/boot.c
index 386a07d..d8a4879 100644
--- a/helper/boot.c
+++ b/helper/boot.c
@@ -14,6 +14,8 @@
  *     limitations under the License.
  */
 
+#include <string.h>
+
 #ifdef ENABLE_AIRCOPY
 	#include "app/aircopy.h"
 #endif
@@ -31,16 +33,14 @@
 
 BOOT_Mode_t BOOT_GetMode(void)
 {
-	KEY_Code_t   Keys[2];
 	unsigned int i;
+	KEY_Code_t   Keys[2];
 
 	for (i = 0; i < 2; i++)
 	{
 		if (GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT))
 			return BOOT_MODE_NORMAL;
-
 		Keys[i] = KEYBOARD_Poll();
-
 		SYSTEM_DelayMs(20);
 	}
 
@@ -66,20 +66,11 @@ void BOOT_ProcessMode(BOOT_Mode_t Mode)
 {
 	if (Mode == BOOT_MODE_F_LOCK)
 	{
+		gMenuListCount    += 6;               // enable the last 6 menu items
 		gMenuCursor        = MENU_350TX;
 		gSubMenuSelection  = gSetting_350TX;
 		GUI_SelectNextDisplay(DISPLAY_MENU);
 		gF_LOCK            = true;
-		gMenuListCount     = 57;
-		#ifndef ENABLE_VOICE
-			gMenuListCount--;
-		#endif
-		#ifndef ENABLE_ALARM
-			gMenuListCount--;
-		#endif
-		#ifndef ENABLE_NOAA
-			gMenuListCount--;
-		#endif
 	}
 	#ifdef ENABLE_AIRCOPY
 		else
@@ -113,5 +104,7 @@ void BOOT_ProcessMode(BOOT_Mode_t Mode)
 		}
 	#endif
 	else
+	{
 		GUI_SelectNextDisplay(DISPLAY_MAIN);
+	}
 }
diff --git a/main.c b/main.c
index 9814867..5bae662 100644
--- a/main.c
+++ b/main.c
@@ -16,6 +16,7 @@
 
 #include <string.h>
 
+#include "scheduler.h"
 #include "app/app.h"
 #include "app/dtmf.h"
 #include "audio.h"
@@ -35,6 +36,7 @@
 #include "settings.h"
 #include "ui/lock.h"
 #include "ui/welcome.h"
+#include "ui/menu.h"
 #include "version.h"
 
 #ifndef ARRAY_SIZE
@@ -48,6 +50,8 @@ void _putchar(char c)
 
 void Main(void)
 {
+	unsigned int i;
+
 	// Enable clock gating of blocks we need
 	SYSCON_DEV_CLK_GATE = 0
 		| SYSCON_DEV_CLK_GATE_GPIOA_BITS_ENABLE
@@ -87,14 +91,13 @@ void Main(void)
 
 	RADIO_SetupRegisters(true);
 
-	{
-		unsigned int i;
-		for (i = 0; i < ARRAY_SIZE(gBatteryVoltages); i++)
-			BOARD_ADC_GetBatteryInfo(&gBatteryVoltages[i], &gBatteryCurrent);
-	}
+	for (i = 0; i < ARRAY_SIZE(gBatteryVoltages); i++)
+		BOARD_ADC_GetBatteryInfo(&gBatteryVoltages[i], &gBatteryCurrent);
 	
 	BATTERY_GetReadings(false);
 
+	gMenuListCount = 0;
+	
 	if (!gChargingWithTypeC && !gBatteryDisplayLevel)
 	{
 		FUNCTION_Select(FUNCTION_POWER_SAVE);
@@ -108,24 +111,26 @@ void Main(void)
 	}
 	else
 	{
-		BOOT_Mode_t BootMode;
+		BOOT_Mode_t  BootMode;
+
+		// count the number of menu list items
+		while (MenuList[gMenuListCount][0] != 0)
+			gMenuListCount++;
+		gMenuListCount -= 6;
 
 		UI_DisplayWelcome();
-
 		BACKLIGHT_TurnOn();
 
-		SYSTEM_DelayMs(2000);
-
-		gMenuListCount = 51;
-		#ifndef ENABLE_ALARM
-			gMenuListCount--;
-		#endif
-		#ifndef ENABLE_VOICE
-			gMenuListCount--;
-		#endif
-		#ifndef ENABLE_NOAA
-			gMenuListCount--;
-		#endif
+		if (gEeprom.POWER_ON_DISPLAY_MODE != POWER_ON_DISPLAY_MODE_NONE)
+		{	// 2.55 second boot-up screen
+			while (boot_counter < 255)
+			{
+				#ifdef ENABLE_BOOT_BEEPS
+					if ((boot_counter % 25) == 0)
+						AUDIO_PlayBeep(BEEP_440HZ_40MS_OPTIONAL);
+				#endif
+			}
+		}
 		
 		BootMode = BOOT_GetMode();
 
diff --git a/scheduler.c b/scheduler.c
index 4fd40d1..27a441b 100644
--- a/scheduler.c
+++ b/scheduler.c
@@ -14,6 +14,7 @@
  *     limitations under the License.
  */
 
+#include "scheduler.h"
 #ifdef ENABLE_FMRADIO
 	#include "app/fm.h"
 #endif
@@ -38,6 +39,7 @@
 	} while(0)
 
 static volatile uint32_t gGlobalSysTickCounter;
+volatile uint8_t         boot_counter = 0;
 
 void SystickHandler(void);
 
@@ -45,7 +47,7 @@ void SystickHandler(void);
 void SystickHandler(void)
 {
 	gGlobalSysTickCounter++;
-
+	
 	gNextTimeslice = true;
 
 	if ((gGlobalSysTickCounter % 50) == 0)
@@ -101,4 +103,7 @@ void SystickHandler(void)
 
 	if (gVoxStopCountdown)
 		gVoxStopCountdown--;
+
+	if (boot_counter < 255)
+		boot_counter++;
 }
diff --git a/settings.h b/settings.h
index 8c57639..68508dd 100644
--- a/settings.h
+++ b/settings.h
@@ -25,7 +25,8 @@
 enum POWER_OnDisplayMode_t {
 	POWER_ON_DISPLAY_MODE_FULL_SCREEN = 0,
 	POWER_ON_DISPLAY_MODE_MESSAGE,
-	POWER_ON_DISPLAY_MODE_VOLTAGE
+	POWER_ON_DISPLAY_MODE_VOLTAGE,
+	POWER_ON_DISPLAY_MODE_NONE
 };
 
 typedef enum POWER_OnDisplayMode_t POWER_OnDisplayMode_t;
diff --git a/ui/menu.c b/ui/menu.c
index c8034be..5d33350 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -30,7 +30,7 @@
 #include "ui/menu.h"
 #include "ui/ui.h"
 
-static const char MenuList[][7] =
+const char MenuList[][7] =
 {
 	"SQL",
     "Step",
@@ -98,7 +98,9 @@ static const char MenuList[][7] =
 	"200-TX",    // was "200TX"
 	"500-TX",    // was "500TX"
 	"350-EN",    // was "350EN"
-	"SCR-EN"     // was "SCREN"
+	"SCR-EN",    // was "SCREN"
+	
+	""           // indicate end of list
 };
 
 #if 0
@@ -224,11 +226,12 @@ static const char gSubMenu_PTT_ID[4][5] =
 	"BOTH",
 };
 
-static const char gSubMenu_PONMSG[3][5] =
+static const char gSubMenu_PONMSG[4][5] =
 {
 	"FULL",
 	"MSG",
 	"VOL",
+	"NONE"
 };
 
 static const char gSubMenu_ROGER[3][6] =
diff --git a/ui/menu.h b/ui/menu.h
index d872370..5537895 100644
--- a/ui/menu.h
+++ b/ui/menu.h
@@ -87,11 +87,13 @@ enum
 	MENU_SCREN
 };
 
-extern bool     gIsInSubMenu;
+extern const char MenuList[][7];
 
-extern uint8_t  gMenuCursor;
-extern int8_t   gMenuScrollDirection;
-extern uint32_t gSubMenuSelection;
+extern bool       gIsInSubMenu;
+
+extern uint8_t    gMenuCursor;
+extern int8_t     gMenuScrollDirection;
+extern uint32_t   gSubMenuSelection;
 
 void UI_DisplayMenu(void);
 
diff --git a/ui/welcome.c b/ui/welcome.c
index 94393b6..8ef677c 100644
--- a/ui/welcome.c
+++ b/ui/welcome.c
@@ -36,6 +36,11 @@ void UI_DisplayWelcome(void)
 	memset(gStatusLine,  0, sizeof(gStatusLine));
 	memset(gFrameBuffer, 0, sizeof(gFrameBuffer));
 
+	if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_NONE)
+	{
+		ST7565_FillScreen(0xFF);
+	}
+	else
 	if (gEeprom.POWER_ON_DISPLAY_MODE == POWER_ON_DISPLAY_MODE_FULL_SCREEN)
 	{
 		ST7565_FillScreen(0xFF);