Appendix c: remote control protocol – EverFocus EDR-1640 User Manual
Page 77

The following remote control protocol applies to RS232 and RS485 remote control. The
EEPBus protocol is a universal control protocol for EDSR and EDR (MPEG4) series’ digital video
recorders. Therefore, it may occur that some of the following commands are not available for
all DVR types.
76
1-1. Sample control code packets
Example 1 : A packet that sends "REC" key to DVR (ID=5)
0x85
(length)
0x00
(Receiver ID high byte)
0x05
(Receiver ID low byte)
0x4B
(OPcode = key )
0x08
(DATA1 = "Rec" keycode )
0x5D
(checksum)
Example 2 : A packet that sends "PAUSE" key to DVR (ID=4999)
0x85
(length)
0x27
(Receiver ID high byte)
0x07
(Receiver ID low byte)
0x4B
(OPcode = key )
0x0C
(DATA1 = "Pause" keycode )
0x0A
(checksum)
Example3 : A packet that sends "PLAY" key to all DVR (broadcast)
0x85
(length)
0x7f
(Receiver ID high byte)
0x7f
(Receiver ID low byte)
0x4B
(OPcode = key )
0x0B
(DATA1 = "Play" keycode )
0x59
(checksum)
APPENDIX C: Remote control protocol
3. Remote control protocol