diff --git a/firmware.bin b/firmware.bin
index 73e7add..be57efc 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 1121fc6..5319b52 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/functions.c b/functions.c
index 8ed3065..80ade1a 100644
--- a/functions.c
+++ b/functions.c
@@ -298,30 +298,29 @@ void FUNCTION_Select(function_type_t Function)
 			// 1of11 .. TEST ONLY
 //			if (g_current_vfo->p_tx->code_type == CODE_TYPE_NONE)
 			{
-				const uint16_t reg = BK4819_read_reg(0x2B);
+//				const uint16_t reg = BK4819_read_reg(0x2B);
 //				#if 0
-//					BK4819_write_reg(0x2B, reg | (1u << 2));   // disable the 300Hz TX HPF
-					BK4819_write_reg(0x2B, reg | (1u << 2) | (1u << 1));   // disable TX LPF & HPF
+//					BK4819_write_reg(0x2B, reg | (1u << 1));               // disable TX LPF
+//					BK4819_write_reg(0x2B, reg | (1u << 2));               // disable TX HPF
+//					BK4819_write_reg(0x2B, reg | (1u << 2) | (1u << 1));   // disable TX LPF & HPF
 //				#else
-//					BK4819_write_reg(0x2B, reg & ~(1u << 2));   //  enable the 300Hz TX HPF
-
 					// TX 300Hz LPF
-					//BK4819_write_reg(0x54, 0x935A);  // -3dB
-					//BK4819_write_reg(0x55, 0x2EFF);  //
-					//BK4819_write_reg(0x54, 0x920B);  // -2dB
-					//BK4819_write_reg(0x55, 0x3010);  //
-					//BK4819_write_reg(0x54, 0x91c1);  // -1dB
-					//BK4819_write_reg(0x55, 0x3040);  //
-					//BK4819_write_reg(0x54, 0x9009);  //  0dB default
-					//BK4819_write_reg(0x55, 0x31A9);  //
-					//BK4819_write_reg(0x54, 0x8F90);  // +1dB
-					//BK4819_write_reg(0x55, 0x31F3);  //
-					//BK4819_write_reg(0x54, 0x8F46);  // +2dB
-					//BK4819_write_reg(0x55, 0x31E7);  //
-					//BK4819_write_reg(0x54, 0x8ED8);  // +3dB
-					//BK4819_write_reg(0x55, 0x3232);  //
-//					  BK4819_write_reg(0x54, 0x8D8F);  // +4dB
-//					  BK4819_write_reg(0x55, 0x3359);  //
+					//BK4819_write_reg(0x44, 0x935A);  // -3dB
+					//BK4819_write_reg(0x45, 0x2EFF);  //
+					//BK4819_write_reg(0x44, 0x920B);  // -2dB
+					//BK4819_write_reg(0x45, 0x3010);  //
+					//BK4819_write_reg(0x44, 0x91c1);  // -1dB
+					//BK4819_write_reg(0x45, 0x3040);  //
+					//BK4819_write_reg(0x44, 0x9009);  //  0dB default
+					//BK4819_write_reg(0x45, 0x31A9);  //
+					//BK4819_write_reg(0x44, 0x8F90);  // +1dB
+					//BK4819_write_reg(0x45, 0x31F3);  //
+					//BK4819_write_reg(0x44, 0x8F46);  // +2dB
+					//BK4819_write_reg(0x45, 0x31E7);  //
+					//BK4819_write_reg(0x44, 0x8ED8);  // +3dB
+					//BK4819_write_reg(0x45, 0x3232);  //
+					  BK4819_write_reg(0x44, 0x8D8F);  // +4dB
+					  BK4819_write_reg(0x45, 0x3359);  //
 //				#endif
 
 					// TX 3kHz HPF
@@ -330,7 +329,7 @@ void FUNCTION_Select(function_type_t Function)
 					//BK4819_write_reg(0x74, 58908);  // +1dB
 					//BK4819_write_reg(0x74, 57122);  // +2dB
 					//BK4819_write_reg(0x74, 54317);  // +3dB
-//					  BK4819_write_reg(0x74, 52277);  // +4dB
+					  BK4819_write_reg(0x74, 52277);  // +4dB
 //				#endif
 			}
 //			else