50
2-4. Opcode Byte & Data bytes
2-4-1. OPcode
OPcode Data1 Function
0x4B Keycode A remote key pressed
0x4D command Matrix command
2-4-2. Remote keys (OPcode=0x4B)
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Data1 Key Data1 Key
0x00 CH1
0x01 CH2
0x02 CH3
0x03 CH4
0x04 MODE
0x05 ZOOM
0x06 SEQ
0x07 MENU
0x08 REC
0x09 REV.PLAY
0x0A STOP
0x0B PLAY
0x0C PAUSE
0x0D SEARCH
0x0E COPY
0x0F DISPALY
0x10 SHUTTLE<<x1
0x11 SHUTTLE<<x2
0x12 SHUTTLE<<x4
0x13 SHUTTLE<<x8
0x14 SHUTTLE<<x16
0x15 SHUTTLE<<x32
0x16 SHUTTLE<<x600
0x17 SHUTTLE>>x1
0x18 SHUTTLE>>x2
0x19 SHUTTLE>>x4
0x1a SHUTTLE>>x8
0x1b SHUTTLE>>x16
0x1c SHUTTLE>>x32
0x1d SHUTTLE>>x600
0x1e JOG<
0x1f JOG>
0x20 CH5 (EDSR600)
0x21 CH6 (EDSR600)
0x22 (reserve)
0x23 (reserve)
0x24 (reserve)
0x25 (reserve)
0x26 (reserve)
0x27 (reserve)
0x28 (reserve)
0x29 (reserve)
0x2a (reserve)
0x2b (reserve)
0x2c SELECT
0x2d CALL
0x2e ENTER
0x2f (reserve)
0x30 (reserve)
0x31 (reserve)
0x32 (reserve)
0x33 (reserve)
0x34 (reserve)
Appendix C: Serial Interface Specifications
2-5. Checksum Byte
Checksum is computed as the sum of all previous butye (includeing the length byte), then mask with 0x7f.