Appendix B: Serial Port Protocol - Q-See QSNDVR4R User Manual

Serial port setting: BAUD, n, 8, 1 (BAUD =2400, 4800, 9600, 19200,38400)
PTC1: (three byte)
Command (CHAR)
/ZM
/QY
/DY
PTC2: (seven byte)
Transmitting S.N.
Byte1
Byte2
Byte3
Byte4
4 Channel Digital Video Recorder
Hexadecimal Number
/RE 0x2F 0x52 0x45
/TP 0x2F 0x54 0x50
/PE 0x2F 0x50 0x45
/RT 0x2F 0x52 0x54
/FT 0x2F 0x46 0x54
/FS 0x2F 0x46 0x53
/FS 0x2F 0x5A 0x4D
0x2F 0x50 0x50
/RS 0x2F 0x52 0x53
/SP 0x2F 0x53 0x50
/SH 0x2F 0x53 0x48
0x2F 0x51 0x59
0x2F 0x44 0x59
/SE 0x2F 0x53 0x45
/FF 0x2F 0x46 0x46
/AF 0x2F 0x41 0x46
/SC 0x2F 0x53 0x43
/01 0x2F 0x30 0x31
/02 0x2F 0x30 0x32
/03 0x2F 0x30 0x33
/04 0x2F 0x30 0x34
/22 0x2F 0x32 0x32
Specs for
Transmitting
0x03
0xaa
0x01
Device id
Function Description
Record
Play
Pause
Rewind
Forward
Auto/1
Zoom/2
PIP/3
Trip/4
Stop/5
Search/6
Water mark/7/+
Display/8/-
PTZ/9
USB/0
Menu
Schedule
Ch1/up
Ch2/down
Ch3/left
Ch4/right
Chall/enter
Instructions
Fixed byte
DVR identifier word
Fixed byte
DVR device address
58