Voltek DVR-4, Manual

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DVR-4 4-Channel digital Recorder
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Serial port setting: BAUD, n, 8, 1(BAUD =1200,2400,4800,9600,19200)
PTC1 : (three byte)
Command (CHAR) Hexadecimal Number Function Description
/RE 0x2F 0x52 0x54 record
/TP 0x2F 0x54 0x50 play
/PE 0x2F 0x50 0x45 pause
/RT 0x2F 0x52 0x54 reward
/FT 0x2F 0x46 0x54 forward
/RS 0x2F 0x52 0x53 Iris/1
/FS 0x2F 0x46 0x53 Focus/2
/ZM 0x2F 0x56 0x4d Zoom/3
/SD 0x2F 0x53 0x44 Speed/4
/SP 0x2F 0x53 0x50…. Stop/5
/SR 0x2F 0x53 0x52 Search/6
/QY 0x2F 0x51 0x59 Quality/7/+
/DY 0x2F 0x44 0x59 Display/8/-
/SE 0x2F 0x53 0x45 Schedule/9/preview segment
/SR 0x2F 0x53 0x52 Alarm/0/next segment
/AF 0x2F 0x41 0x46 Menu/first segment
/DM 0x2F 0x44 0x4d PTZ/last segment
/01 0x2F 0x30 0x31 ch1/up
/02 0x2F 0x30 0x32 Ch2/down
/03 0x2F 0x30 0x33 Ch3/left
/04 0x2F 0x30 0x34 Ch4/right
/22 0x2F 0x32 0x32 Chall/enter
PTC2: (seven byte)
Transmitting S.N Transmitting worth Instructions
Byte1 0x03 Fixed byte
Byte2 0xaa DVR identifier word
Byte3 0x01 Fixed byte
Byte4 Device id DVR device address
Byte5~7 Refer to PTC 1 Same command as PTC 1