diff --git a/Makefile b/Makefile
index d84cda8..a535f4b 100644
--- a/Makefile
+++ b/Makefile
@@ -35,11 +35,11 @@ ENABLE_BOOT_BEEPS                := 0
 ENABLE_SHOW_CHARGE_LEVEL         := 0
 ENABLE_REVERSE_BAT_SYMBOL        := 1
 ENABLE_FREQ_SEARCH_TIMEOUT       := 0
-ENABLE_CODE_SEARCH_TIMEOUT       := 1
+ENABLE_CODE_SEARCH_TIMEOUT       := 0
 ENABLE_AM_FIX                    := 1
 ENABLE_AM_FIX_SHOW_DATA          := 1
 ENABLE_SQUELCH_MORE_SENSITIVE    := 1
-ENABLE_SQ_OPEN_WHITH_UP_DN_BUTTS := 1
+ENABLE_SQ_OPEN_WITH_UP_DN_BUTTS  := 1
 ENABLE_FASTER_CHANNEL_SCAN       := 1
 ENABLE_RSSI_BAR                  := 1
 ENABLE_SHOW_TX_TIMEOUT           := 0
diff --git a/app/app.c b/app/app.c
index 7ef9f27..689d077 100644
--- a/app/app.c
+++ b/app/app.c
@@ -697,7 +697,7 @@ static void APP_next_freq(void)
 		RADIO_setup_registers(true);
 
 		#ifdef ENABLE_FASTER_CHANNEL_SCAN
-			g_scan_pause_delay_in_10ms = 7;   // 70ms
+			g_scan_pause_delay_in_10ms = 8;   // 80ms
 		#else
 			g_scan_pause_delay_in_10ms = scan_pause_delay_in_6_10ms;
 		#endif
diff --git a/bitmaps.c b/bitmaps.c
index fbca511..a2430a4 100644
--- a/bitmaps.c
+++ b/bitmaps.c
@@ -125,11 +125,11 @@ const uint8_t BITMAP_KEYLOCK[6] =
 const uint8_t BITMAP_F_KEY[6] =
 {	// F-Key symbol
 	__extension__ 0b00000000,
-	__extension__ 0b01011111,
-	__extension__ 0b01000101,
-	__extension__ 0b01000101,
-	__extension__ 0b01000101,
-	__extension__ 0b01000001
+	__extension__ 0b01111110,
+	__extension__ 0b01111111,
+	__extension__ 0b00011011,
+	__extension__ 0b00011011,
+	__extension__ 0b00011011
 };
 
 #ifdef ENABLE_VOX
diff --git a/driver/bk4819.c b/driver/bk4819.c
index 4372efc..adc986f 100644
--- a/driver/bk4819.c
+++ b/driver/bk4819.c
@@ -787,9 +787,7 @@ void BK4819_SetupSquelch(
 	#else
 		// faster (but twitchier)
 		(1u << 14) |                  //  1 ???
-//		(2u << 11) |                  // *5  squelch = open  delay .. 0 ~ 7
-//		(1u <<  9) |                  // *3  squelch = close delay .. 0 ~ 3
-		(1u << 11) |                  // *5  squelch = open  delay .. 0 ~ 7
+		(2u << 11) |                  // *5  squelch = open  delay .. 0 ~ 7
 		(1u <<  9) |                  // *3  squelch = close delay .. 0 ~ 3
 		squelch_open_glitch_thresh);     //  0 ~ 255
 	#endif
diff --git a/driver/st7565.c b/driver/st7565.c
index 96faf7a..f5ee5df 100644
--- a/driver/st7565.c
+++ b/driver/st7565.c
@@ -151,51 +151,52 @@ void ST7565_Init(const bool full)
 	if (full)
 	{
 		SPI0_Init();
-
 		ST7565_HardwareReset();
-
-		SPI_ToggleMasterMode(&SPI0->CR, false);
-
-		ST7565_WriteByte(0xE2);   // internal reset
-
-		SYSTEM_DelayMs(120);
 	}
-	else
-		SPI_ToggleMasterMode(&SPI0->CR, false);
 
-	ST7565_WriteByte(0xA2);   // bias 9
-	ST7565_WriteByte(0xC0);   // com normal
-	ST7565_WriteByte(0xA1);   // reverse ?
-
-	ST7565_WriteByte(0xA6);   // normal screen ?
-//	ST7565_WriteByte(0xA7);   // inverse screen ?
-
-	ST7565_WriteByte(0xA4);   // all points normal
-	ST7565_WriteByte(0x24);   //
-
-	ST7565_WriteByte(0x81);       //
-	ST7565_WriteByte(contrast);   // contrast ?  0 ~ 63
+	SPI_ToggleMasterMode(&SPI0->CR, false);
 
 	if (full)
 	{
-		ST7565_WriteByte(0x2B);   // power control ?
+		ST7565_WriteByte(0xE2);      // internal reset
+		SYSTEM_DelayMs(120);
+	}
+	
+	ST7565_WriteByte(0xA2);          // bias 9
+//	ST7565_WriteByte(0xA3);          // bias 7
 
-		SYSTEM_DelayMs(1);
+	ST7565_WriteByte(0xC0);          // COM normal
+//	ST7565_WriteByte(0xC8);          // COM reverse
 
-		ST7565_WriteByte(0x2E);   // power control ?
+//	ST7565_WriteByte(0xA0);          // normal ADC .. mirrors the screen
+	ST7565_WriteByte(0xA1);          // reverse ADC
 
-		SYSTEM_DelayMs(1);
+	ST7565_WriteByte(0xA6);          // normal screen
+//	ST7565_WriteByte(0xA7);          // inverse screen
 
-		ST7565_WriteByte(0x2F);   //
-		ST7565_WriteByte(0x2F);   //
-		ST7565_WriteByte(0x2F);   //
-		ST7565_WriteByte(0x2F);   //
+	ST7565_WriteByte(0xA4);          // all points normal
 
-		SYSTEM_DelayMs(40);
+	ST7565_WriteByte(0x24);          // ???
+
+	ST7565_WriteByte(0x81);          //
+	ST7565_WriteByte(contrast);      // brightness 0 ~ 63
+
+	if (full)
+	{
+		ST7565_WriteByte(0x28 | 4u); // enable voltage converter VC=1 VR=0 VF=0
+		SYSTEM_DelayMs(50);
+
+		ST7565_WriteByte(0x28 | 6u); // enable voltage regulator VC=1 VR=1 VF=0
+		SYSTEM_DelayMs(50);
+
+		ST7565_WriteByte(0x28 | 7u); // enable voltage follower  VC=1 VR=1 VF=1
+		SYSTEM_DelayMs(10);
+
+		ST7565_WriteByte(0x20 | 6u); // set lcd operating voltage (regulator resistor, ref voltage resistor)
 	}
 
-	ST7565_WriteByte(0x40);   // start line ?
-	ST7565_WriteByte(0xAF);   // display on ?
+	ST7565_WriteByte(0x40);          // start line ?
+	ST7565_WriteByte(0xAF);          // display on ?
 
 	SPI_WaitForUndocumentedTxFifoStatusBit();
 
diff --git a/firmware.bin b/firmware.bin
index 0b2a3dd..147163c 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index f7f9427..84884c9 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/ui/main.c b/ui/main.c
index d0ca532..db2ece3 100644
--- a/ui/main.c
+++ b/ui/main.c
@@ -59,10 +59,21 @@ void draw_bar(uint8_t *line, const int len, const int max_width)
 			line[i] = (i <= len) ? 0x7f : 0x41;
 	#else
 		// segmented bar
-		for (i = 0; i < max_width; i += 5)
-			for (int k = i - 5; k < i && k < len; k++)
+		for (i = 0; i < max_width; i += 4)
+		{
+			for (int k = i - 4; k < i && k < len; k++)
+			{
 				if (k >= 0)
-					line[k] = (k < (i - 2)) ? 0x7f : 0x00;
+//					line[k] = (k < (i - 1)) ? 0x7f : 0x00;
+					if (k < (i - 1))
+						line[k] = 0x3e;
+			}
+		}
+		// top/bottom lines
+		for (i = 0; i < len; i += 2)
+			line[i] |= 0x41;
+		for (i &= ~3u ; i < max_width; i += 4)
+			line[i] = 0x41;
 	#endif
 }