diff --git a/firmware.bin b/firmware.bin
deleted file mode 100644
index 1c28e12..0000000
Binary files a/firmware.bin and /dev/null differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
deleted file mode 100644
index 8befb37..0000000
Binary files a/firmware.packed.bin and /dev/null differ
diff --git a/mdc1200.c b/mdc1200.c
index 08c406b..72544de 100644
--- a/mdc1200.c
+++ b/mdc1200.c
@@ -10,11 +10,11 @@
 // 24-bit pre-amble
 // 40-bit sync
 //
-//static const uint8_t header[] = {0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x55, 0x07, 0x09, 0x2a, 0x44, 0x6f};
-//static const uint8_t header[] = {0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0x07, 0x09, 0x2a, 0x44, 0x6f};
+//static const uint8_t header[] = {0x00, 0x00, 0x00, 0x55, 0x55, 0x55, 0x55, 0x07, 0x09, 0x2a, 0x44, 0x6f};
+//static const uint8_t header[] = {0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x07, 0x09, 0x2a, 0x44, 0x6f};
 //
-//static const uint8_t header[] = {0x00, 0x00, 0x00, 0x0A, 0xAA, 0xAA, 0xA0, 0xb6, 0x8e, 0x03, 0xbb, 0x14};
-static   const uint8_t header[] = {0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x50, 0x29, 0x71, 0xfc, 0x44, 0xeb};
+//static const uint8_t header[] = {0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xA0, 0xb6, 0x8e, 0x03, 0xbb, 0x14};
+static   const uint8_t header[] = {0x00, 0x00, 0x00, 0x55, 0x55, 0x55, 0x50, 0x29, 0x71, 0xfc, 0x44, 0xeb};
 
 uint8_t bit_reverse_8(uint8_t n)
 {