Datavideo HDR-70 Instruction Manual page 30

HD / SD Recorder
4. Return Data
21h 13h nn csum : Shuttle Forward
21h 23h nn csum : Shuttle Reverse
nn speed
62h 12X
5E h 9X
58 h 6X
4F h 3X
40h 1X
5. Return Data
21h, F1h, 02h, 14h : Next Clip
21h, F2h, 02h, 15h : Previous Clip
Note: Only can do clip-change at play-pause
6. Firmware Revision Sense Data[7bytes]
Firmware Revision Sense (Recorder)
Byte[0]: ROM
Byte [1]: FW Major
Byte [2]: FW Minor
Byte [3]: File System
Byte [4]: FPGA
Byte [5]: RBF
Byte [6]: ESP
Firmware Revision Sense (Host)
Byte [0]: FW Major
Byte [1]: FW Minor
Byte [2]: Control CMD Major
Byte [3]: Control CMD Minor
Byte [4]: Bootloader Minor
Byte [5]: 0x00
Byte [6]: 0x00
Firmware Revision Sense (Codec)
Byte [0]: Codec Bootloader Major
Byte [1]: Codec Bootloader Minor
Byte [2]: Codec Host Major
Byte [3]: Codec Host Minor
Byte [4]: Codec Major
Byte [5]: Codec Minor
Byte [6]: 0x00
Command Forward
21h 13h 62h 96h
21h 13h 5E h 92h
21h 13h 58h 8Ch
21h 13h 4F h 83h
21h 13h 40h 74h
30
HDR-70
Command Reverse
21h 23h 62h A6h
21h 23h 5E h A2h
21h 23h 58h 9Ch
21h 23h 4F h 93h
21h 23h 40h 84h