diff --git a/board.c b/board.c
index 836e5e3..f70982a 100644
--- a/board.c
+++ b/board.c
@@ -543,7 +543,7 @@ void BOARD_EEPROM_Init(void)
 	gEeprom.CROSS_BAND_RX_TX      = (Data[2] < 3) ? Data[2] : CROSS_BAND_OFF;
 	gEeprom.BATTERY_SAVE          = (Data[3] < 5) ? Data[3] : 4;
 	gEeprom.DUAL_WATCH            = (Data[4] < 3) ? Data[4] : DUAL_WATCH_CHAN_A;
-	gEeprom.BACKLIGHT             = (Data[5] < ARRAY_SIZE(gSubMenu_BACKLIGHT)) ? Data[5] : 4;
+	gEeprom.BACKLIGHT             = (Data[5] < ARRAY_SIZE(gSubMenu_BACKLIGHT)) ? Data[5] : 3;
 	gEeprom.TAIL_NOTE_ELIMINATION = (Data[6] < 2) ? Data[6] : false;
 	gEeprom.VFO_OPEN              = (Data[7] < 2) ? Data[7] : true;
 
diff --git a/driver/backlight.c b/driver/backlight.c
index 805c929..bfeedfe 100644
--- a/driver/backlight.c
+++ b/driver/backlight.c
@@ -20,7 +20,7 @@
 #include "settings.h"
 
 // this is decremented once every 500ms
-uint8_t gBacklightCountdown = 0;
+uint16_t gBacklightCountdown = 0;
 
 void BACKLIGHT_TurnOn(void)
 {
@@ -34,22 +34,27 @@ void BACKLIGHT_TurnOn(void)
 	{
 		default:
 		case 1:	// 5 sec
-			gBacklightCountdown = 2 * 5;
+			gBacklightCountdown = 5;
 			break;
 		case 2:	// 10 sec
-			gBacklightCountdown = 2 * 10;
+			gBacklightCountdown = 10;
 			break;
 		case 3:	// 20 sec
-			gBacklightCountdown = 2 * 20;
+			gBacklightCountdown = 20;
 			break;
-		case 4:	// 40 sec
-			gBacklightCountdown = 2 * 40;
+		case 4:	// 1 min
+			gBacklightCountdown = 60;
 			break;
-		case 5:	// 80 sec
-			gBacklightCountdown = 2 * 80;
+		case 5:	// 2 min
+			gBacklightCountdown = 60 * 2;
 			break;
-		case 6:	// always on
+		case 6:	// 4 min
+			gBacklightCountdown = 60 * 4;
+			break;
+		case 7:	// always on
 			gBacklightCountdown = 0;
 			break;
 	}
+
+	gBacklightCountdown *= 2;
 }
diff --git a/driver/backlight.h b/driver/backlight.h
index 1819a24..67967bf 100644
--- a/driver/backlight.h
+++ b/driver/backlight.h
@@ -19,7 +19,7 @@
 
 #include <stdint.h>
 
-extern uint8_t gBacklightCountdown;
+extern uint16_t gBacklightCountdown;
 
 void BACKLIGHT_TurnOn(void);
 
diff --git a/firmware.bin b/firmware.bin
index a9e3b7a..8f66461 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index ebced18..947497a 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/ui/menu.c b/ui/menu.c
index 10ecdca..145133e 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -249,14 +249,15 @@ const char gSubMenu_F_LOCK[6][4] =
 	"438"
 };
 
-const char gSubMenu_BACKLIGHT[7][7] =
+const char gSubMenu_BACKLIGHT[8][7] =
 {
 	"OFF",
 	"5 sec",
 	"10 sec",
 	"20 sec",
-	"40 sec",
-	"80 sec",
+	"1 min",
+	"2 min",
+	"4 min",
 	"ON"
 };
 
diff --git a/ui/menu.h b/ui/menu.h
index 1aa256c..96da38d 100644
--- a/ui/menu.h
+++ b/ui/menu.h
@@ -138,7 +138,7 @@ extern const char        gSubMenu_PONMSG[4][5];
 extern const char        gSubMenu_ROGER[3][6];
 extern const char        gSubMenu_RESET[2][4];
 extern const char        gSubMenu_F_LOCK[6][4];
-extern const char        gSubMenu_BACKLIGHT[7][7];
+extern const char        gSubMenu_BACKLIGHT[8][7];
 #ifdef ENABLE_COMPANDER
 	extern const char    gSubMenu_Compand[4][6];
 #endif
diff --git a/utils/main.cpp b/utils/main.cpp
index bbfe7bd..2d963ab 100644
--- a/utils/main.cpp
+++ b/utils/main.cpp
@@ -68,10 +68,13 @@ typedef struct
 	int16_t sum_dB;
 } t_gain_table;
 
-void __fastcall create_gain_table(const char *filename)
+void create_gain_table(const char *filename)
 {
 	std::vector <t_gain_table> gain_table;
 
+	if (filename == NULL)
+		return;
+
 	// front end register dB values
 //	const int16_t lna_short_dB[4] = { (-19), (-16), (-11), (0)};  // was
 	const int16_t lna_short_dB[4] = { (-33), (-30), (-24), (0)};  // corrected
@@ -149,7 +152,7 @@ void __fastcall create_gain_table(const char *filename)
 	}
 
 	// sort the table according top the sum dB
-	for (unsigned int i = 0; i < gain_table.size() - 1; i++)
+	for (unsigned int i = 0; i < (gain_table.size() - 1); i++)
 	{
 		t_gain_table entry1 = gain_table[i];
 		for (unsigned int k = i + 1; k < gain_table.size(); k++)
@@ -196,7 +199,7 @@ void __fastcall create_gain_table(const char *filename)
 		}
 	}
 
-	// find the QS original index
+	// find the index for the original Quansheng register settings
 	for (int i = (int)gain_table.size() - 1; i >= 0; i--)
 	{
 		const t_gain_table entry = gain_table[i];
@@ -217,6 +220,25 @@ void __fastcall create_gain_table(const char *filename)
 	// ***************************
 	// save the table to a file
 
+/*
+	typedef struct
+	{
+		#if 1
+			// bitfields take up less flash bytes
+			uint8_t lna_short:2;   // 0 ~ 3
+			uint8_t       lna:3;   // 0 ~ 7
+			uint8_t     mixer:2;   // 0 ~ 3
+			uint8_t       pga:3;   // 0 ~ 7
+		#else
+			uint8_t lna_short;     // 0 ~ 3
+			uint8_t       lna;     // 0 ~ 7
+			uint8_t     mixer;     // 0 ~ 3
+			uint8_t       pga;     // 0 ~ 7
+		#endif
+	} t_am_fix_gain_table;
+	//} __attribute__((packed)) t_am_fix_gain_table;
+*/
+
 	FILE *file = fopen(filename, "w");
 	if (file == NULL)
 		return;
@@ -261,10 +283,13 @@ void __fastcall create_gain_table(const char *filename)
 // "rotate_font()" has nothing to do with this program at all, I just needed
 // to write a bit of code to rotate some fonts I've drawn
 
-void __fastcall rotate_font(const char *filename1, const char *filename2)
+void rotate_font(const char *filename1, const char *filename2)
 {
 	std::vector <uint8_t> data;
 
+	if (filename1 == NULL || filename2 == NULL)
+		return;
+
 	// ****************************
 	// load the file