Q-See QSNDVR16R Manual de servicio descargar pdf (Pagina 64)

8/16 Channel Digital Video Recorder

PTC2: (seven-byte)

Transmitting S.N.

SPECS for

Transmitting

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

PTC3: (seven byte)

Byte1

Byte2 Byte3

Byt4 Byte5

Byte6

Byte7

0xFF Addr Var1 Var2 Check sum

Var1 Var2 Function PELCO-D

0x00 0x08 Full/up Up

0x00 0x10 Quad/down Down

0x00 0x04 Nine/left Left

0x00 0x02 Hex/right Right

0x04 0x00 Enter Iris close

0x00 0x40 Record Zoom wide

0x00 0x20 Play zoom tele

0x02 0x00 Search Iris open

0x00 0x80 Add Focus far

0x01 0x00 Dec Focus near

Byte 5 and byte 6 have random values from 0x00 to 0xff.

Byte 7 = mod [(byte2 + byte3 + byte4 + byte5 + byte6)/100]

Note: This protocol is the same as PELCO-D, which is used to control the speed domes. If PELCO-D

is used to control speed domes via a keyboard, the keyboard can be used to control the DVR through this

protocol. Different addresses can be used to distinguish the DVR and the speed domes.

PTC4: (eight byte)

Byte1 Byte2 Byte3

Byte4

Byte5

Byte6 Byte7 Byte8

0xa0 Addr 0x00 0x07 0x00 Var 0xAF Checksum

Byte8 = byte1 xor byte2 xor byte3 xor byte4 xor byte5 xor byte6 xor byte7

1 2 ... 59 60 61 62 63 64 65 66 67 68 69

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Q-See QSNDVR16R Manual de servicio Pagina 64