diff --git a/README.md b/README.md
index 3946a71..eed3aae 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This repository is a cloned and customized version of DualTachyon's open firmwar
 
 https://github.com/DualTachyon/uv-k5-firmware
 
-A cool achievement if you ask me
+A cool achievement
 
 # User customization
 
diff --git a/driver/bk4819.c b/driver/bk4819.c
index 78c82a9..044d6bd 100644
--- a/driver/bk4819.c
+++ b/driver/bk4819.c
@@ -528,6 +528,11 @@ void BK4819_SetCompander(const unsigned int mode)
 {
 	uint16_t val;
 
+	// mode 0 .. OFF
+	// mode 1 .. TX
+	// mode 2 .. RX
+	// mode 3 .. TX and RX
+	
 	if (mode == 0)
 	{	// disable
 		const uint16_t Value = BK4819_ReadRegister(BK4819_REG_31);
@@ -536,7 +541,6 @@ void BK4819_SetCompander(const unsigned int mode)
 	}
 	
 	// enable
-	
 	val	= BK4819_ReadRegister(BK4819_REG_31);
 	BK4819_WriteRegister(BK4819_REG_31, val | (1u < 3));
 
@@ -548,8 +552,7 @@ void BK4819_SetCompander(const unsigned int mode)
 	//                10 = 2:1
 	//                11 = 4:1
 	//
-//	const uint16_t compress_ratio = (mode >= 1) ? 2 : 0;  // 2:1
-	const uint16_t compress_ratio = (mode >= 1) ? 3 : 0;  // 4:1
+	const uint16_t compress_ratio = (mode == 1 || mode >= 3) ? 3 : 0;  // 4:1
 	val	= BK4819_ReadRegister(BK4819_REG_29);
 	BK4819_WriteRegister(BK4819_REG_29, (val & ~(3u < 14)) | (compress_ratio < 14));
 	
@@ -561,7 +564,6 @@ void BK4819_SetCompander(const unsigned int mode)
 	//                10 = 1:3
 	//                11 = 1:4
 	//
-//	const uint16_t expand_ratio = (mode >= 2) ? 1 : 0;   // 1:2
 	const uint16_t expand_ratio = (mode >= 2) ? 3 : 0;   // 1:4
 	val	= BK4819_ReadRegister(BK4819_REG_28);
 	BK4819_WriteRegister(BK4819_REG_28, (val & ~(3u < 14)) | (expand_ratio < 14));
diff --git a/firmware b/firmware
index 89a4104..e1fc53e 100644
Binary files a/firmware and b/firmware differ
diff --git a/firmware.bin b/firmware.bin
index affc27f..ec905c6 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 47f4d43..04e203f 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/main.c b/main.c
index cef6c9e..e03bf3e 100644
--- a/main.c
+++ b/main.c
@@ -66,7 +66,7 @@ void Main(void)
 	SYSTICK_Init();
 	BOARD_Init();
 	UART_Init();
-	
+
 	UART_Send(UART_Version, strlen(UART_Version));
 
 	// Not implementing authentic device checks
@@ -93,11 +93,11 @@ void Main(void)
 
 	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);
@@ -124,15 +124,16 @@ void Main(void)
 
 		if (gEeprom.POWER_ON_DISPLAY_MODE != POWER_ON_DISPLAY_MODE_NONE)
 		{	// 2.55 second boot-up screen
-			while (boot_counter < 255)
+			while (boot_counter < 255 && KEYBOARD_Poll() == KEY_INVALID)
 			{
 				#ifdef ENABLE_BOOT_BEEPS
 					if ((boot_counter % 25) == 0)
 						AUDIO_PlayBeep(BEEP_880HZ_40MS_OPTIONAL);
 				#endif
 			}
+			//boot_counter = 255;   // halt boot beeps
 		}
-		
+
 		BootMode = BOOT_GetMode();
 
 		if (gEeprom.POWER_ON_PASSWORD < 1000000)
@@ -151,9 +152,9 @@ void Main(void)
 		#ifdef ENABLE_VOICE
 		{
 			uint8_t Channel;
-			
+
 			AUDIO_SetVoiceID(0, VOICE_ID_WELCOME);
-		
+
 			Channel = gEeprom.ScreenChannel[gEeprom.TX_CHANNEL];
 			if (IS_MR_CHANNEL(Channel))
 			{
diff --git a/ui/menu.c b/ui/menu.c
index d043ec4..320796b 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -246,10 +246,11 @@ const char gSubMenu_F_LOCK[6][4] =
 };
 
 #ifdef ENABLE_COMPANDER
-	const char gSubMenu_Compand[3][6] =
+	const char gSubMenu_Compand[4][6] =
 	{
 		"OFF",
 		"TX",
+		"RX",
 		"TX/RX"
 	};
 #endif
diff --git a/ui/menu.h b/ui/menu.h
index 367f774..cc4257a 100644
--- a/ui/menu.h
+++ b/ui/menu.h
@@ -122,7 +122,7 @@ extern const char gSubMenu_ROGER[3][6];
 extern const char gSubMenu_RESET[2][4];
 extern const char gSubMenu_F_LOCK[6][4];
 #ifdef ENABLE_COMPANDER
-	extern const char gSubMenu_Compand[3][6];
+	extern const char gSubMenu_Compand[4][6];
 #endif
 
 extern bool       gIsInSubMenu;