diff --git a/firmware b/firmware
index 1b34bcb..b5ce298 100644
Binary files a/firmware and b/firmware differ
diff --git a/firmware.bin b/firmware.bin
index 02d232c..3b53ad4 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index e779e9d..d393f84 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/font.c b/font.c
index d78ea1c..1bf62ac 100644
--- a/font.c
+++ b/font.c
@@ -145,7 +145,7 @@ const uint8_t gFontSmallDigits[11][7] = {
 // ASCII 5x7 font
 const uint8_t gFont5x7[5 * 16 * 6] =
 {
-	0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00,    // ' '
 	0x00, 0x00, 0x5F, 0x00, 0x00,
 	0x00, 0x07, 0x00, 0x07, 0x00,
 	0x14, 0x7F, 0x14, 0x7F, 0x14,
@@ -162,7 +162,8 @@ const uint8_t gFont5x7[5 * 16 * 6] =
 	0x00, 0x00, 0x60, 0x60, 0x00,
 	0x20, 0x10, 0x08, 0x04, 0x02,
 
-	0x3E, 0x51, 0x49, 0x45, 0x3E,
+//	0x3E, 0x51, 0x49, 0x45, 0x3E,    // '0'
+	0x3E, 0x41, 0x41, 0x41, 0x3E,    // '0'
 	0x00, 0x42, 0x7F, 0x40, 0x00,
 	0x72, 0x49, 0x49, 0x49, 0x46,
 	0x21, 0x41, 0x49, 0x4D, 0x33,
@@ -179,8 +180,8 @@ const uint8_t gFont5x7[5 * 16 * 6] =
 	0x00, 0x41, 0x22, 0x14, 0x08,
 	0x02, 0x01, 0x59, 0x09, 0x06,
 
-	0x3E, 0x41, 0x5D, 0x59, 0x4E,
-	0x7C, 0x12, 0x11, 0x12, 0x7C,   // #65 'A'
+	0x3E, 0x41, 0x5D, 0x59, 0x4E,   // '@'
+	0x7C, 0x12, 0x11, 0x12, 0x7C,   // 'A'
 	0x7F, 0x49, 0x49, 0x49, 0x36,
 	0x3E, 0x41, 0x41, 0x41, 0x22,
 	0x7F, 0x41, 0x41, 0x41, 0x3E,