| Section | Bytes | Type | Make Model | Hex value | Value | Decoded |
|---|
| Canon-20D Makern 0x000f-0000 | Size: 1 | 1=uByte_08 | Canon Canon EOS 20D | 0x0000 | 0 | Default (no function) |
| Canon-20D Makern 0x000f-0000 | Size: 1 | 1=uByte_08 | Canon Canon EOS 20D | 0x0001 | 1 | Change quality |
| Canon-20D Makern 0x000f-0000 | Size: 1 | 1=uByte_08 | Canon Canon EOS 20D | 0x0002 | 2 | Change Parameters |
| Canon-20D Makern 0x000f-0000 | Size: 1 | 1=uByte_08 | Canon Canon EOS 20D | 0x0004 | 4 | Image replay |
|