diff --git a/app/app.c b/app/app.c
index f522701..f1209c1 100644
--- a/app/app.c
+++ b/app/app.c
@@ -1589,7 +1589,7 @@ static void APP_ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 	else
 	{
 		if (Key != KEY_PTT)
-			gVoltageMenuCountdown = 2 * 30;	// 30 sec
+			gVoltageMenuCountdown = g_menu_timeout;
 
 		BACKLIGHT_TurnOn();
 
diff --git a/app/menu.c b/app/menu.c
index da9706b..7ae0058 100644
--- a/app/menu.c
+++ b/app/menu.c
@@ -1322,5 +1322,5 @@ void MENU_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 	}
 
 	if (gScreenToDisplay == DISPLAY_MENU && gMenuCursor == MENU_VOL)
-		gVoltageMenuCountdown = 2 * 30;   // 30 sec
+		gVoltageMenuCountdown = g_menu_timeout;
 }
diff --git a/firmware b/firmware
index c524c12..0196cc1 100644
Binary files a/firmware and b/firmware differ
diff --git a/firmware.bin b/firmware.bin
index a84ace6..ffe2ccf 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index ca0ada2..56a1ef4 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/misc.c b/misc.c
index 8c166d6..c0ae8cf 100644
--- a/misc.c
+++ b/misc.c
@@ -20,6 +20,8 @@
 
 const uint8_t     g_scan_delay = 21;   // 21
 
+const uint8_t     g_menu_timeout = 2 * 30;  // 30 seconds
+
 const uint16_t    gMax_bat_v = 840;   // 8.4V
 const uint16_t    gMin_bat_v = 660;   // 6.6V
 
diff --git a/misc.h b/misc.h
index b513178..1ed3bfc 100644
--- a/misc.h
+++ b/misc.h
@@ -77,9 +77,13 @@ typedef enum CssScanMode_t CssScanMode_t;
 
 extern const uint8_t     g_scan_delay;
 
+extern const uint8_t     g_menu_timeout;
+
 extern const uint16_t    gMax_bat_v;
 extern const uint16_t    gMin_bat_v;
 
+extern const uint8_t     gMicGain_dB2[5];
+
 extern const uint32_t   *gUpperLimitFrequencyBandTable;
 extern const uint32_t   *gLowerLimitFrequencyBandTable;
 
@@ -92,8 +96,6 @@ extern uint8_t           gSetting_F_LOCK;
 extern bool              gSetting_ScrambleEnable;
 extern uint8_t           gSetting_F_LOCK;
 
-extern const uint8_t     gMicGain_dB2[5];
-
 extern const uint32_t    gDefaultAesKey[4];
 extern uint32_t          gCustomAesKey[4];
 extern bool              bHasCustomAesKey;