Kramer 840Hxl - Page 29

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840Hxl - Serial Protocol
8.3.12 Get the Monitor EDID
Command
Send/Receive
Data
0xFD
0xEB, address, 0xFD, 0x02, 0x03, 0x00,
checksum
0xEB, address, 0xFD, 0x12, 0x03, [group
num], data1H_4bits, data1L_4bits,
data2H_4bits, data2L_4bits, ……,
data7H_4bits, data7L_4bits,
data8H_4bits, data8L_4bits, checksum
[group num]: from 0 to 0x3f. Each group has 8 bytes of
EDID data
When sending the command, there are 64 groups for
512 bytes of EDID data
8.3.13 Reset Device
Command
Send/Receive
0xED
0xEB, address, 0xED, 0x04, 0x03, 0x01, 0x02, 0x07, checksum
0xEB, address, 0xED, 0x01, 0xFA, checksum