DVR Connection N-1640MH Manual de instrucciones descargar pdf (Pagina 145)

135

0x4B (OPcode = key )

0x0B (DATA1 = "Play" keycode )

0x59 (checksum)

2-1. The format of message packet is as follows:

Length Byte (Prefix: 0x86, 0x87, or 0x88 ..... )

Receiver ID high byte

Receiver ID low byte

Opcode Byte

Data Byte1

Data Byte2

Data Byte3

Checksum Byte

2-2. Length Byte

This Length Byte is also a prefix. Bit7 must be 1.

EX: 0x87 ==> this packet has 7 bytes length. (not included Length byte itself)

2-3. Receiver ID

1). Individual receiver ID

----------------------------------------------------------

Decimal 14bit binary value Hbyte Lbyte Receiver ID

------- ------------------- ------ ----- -----------

0 0000000 0000000 00 00 ID = 0

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 161 162

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DVR Connection N-1640MH Manual de instrucciones Pagina 145