EverFocus TP-S1 0 9DR Manual de instrucciones descargar pdf (Pagina 52)

Appendix C: Serial Interface Specifications

3. Remote Control Protocol

A computer or a terminal can be used to control the unit by sending the packet as following.

1-1. Sample control code packets

Example1 : A packet that send "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)

Example2 : A packet that send "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 send "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)

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EverFocus TP-S1 0 9DR Manual de instrucciones Pagina 52