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EDID query command package length is 18byte:
This is a query command which mean you must send query package and then receive an answer.
For example: Query input 1 EDID index (1~15)
Send package: 50 56 54 01 0C 02 00 00 00 00 00 00 00 00 00 00 00 checksum
Receive package: 50 56 54 01 0C 01 00 01 00 00 00 00 00 00 00 00 00 checksum
The red 02 mean the input port number, it should be 1~4.
The blue 01 mean the EDID index number, it should be 1~15.
EDID index list:
1080p,Stereo Audio 2.0 = 1
1080p,Dolby/DTS 5.1 = 2
1080p,HD Audio 7.1 = 3
1080i,Stereo Audio 2.0 = 4
1080i,Dolby/DTS 5.1 = 5
1080i,HD Audio 7.1 = 6
3D,Stereo Audio 2.0 = 7
3D,Dolby/DTS 5.1
= 8
3D,HD Audio 7.1 = 9
4K2K30,Stereo Audio 2.0
= 10
4K2K30,Dolby/DTS 5.1= 11
4K2K30,HD Audio 7.1 = 12
DVI 1024x768 = 13
DVI 1920x1080 = 14
DVI 1920x1200 = 15
EDID copy command package length is 18byte:
[0x50+0x56+0x54+0x03+0x04+outputport(1~4)+0x00+inputport(1~4)+0x00+0x00+0x00+0x00+0x00+0x
00+0x00+0x00+0x00+checksum]
Means: copy output port X EDID to input port X
[0x50+0x56+0x54+0x03+0x03+outputport(1~4)+0x00+0x00+0x00+0x00+0x00+0x00+0x00+0x00+0x00+
0x00+0x00+checksum]
Means: copy output port X EDID to all input port
Output HDP status query package is 18byte:
This is a query command which mean you must send query package and then receive an answer.
For example: Query output 1(1~4) HPD status
Send package: 50 56 54 01 05 01 00 00 00 00 00 00 00 00 00 00 00 01
Receive package: 50 56 54 01 05 01 00 FF 00 00 00 00 00 00 00 00 00 00
The red 01 mean the output port number, it should be 1~4.
The blue FF mean this port’s HPD is LOW, if 00 mean HIGH.
Input port status query package is 18byte:
This is a query command which mean you must send query package and then receive an answer.
For example: Query input 1(1~4) status
Send package: 50 56 54 01 04 01 00 00 00 00 00 00 00 00 00 00 00 00
Receive package: 50 56 54 01 04 01 00 FF 00 00 00 00 00 00 00 00 00 FF
The red 01 mean the input port number, it should be 1~4.
The blue FF mean this port is plug in, if 00 mean plug out.
Beep on/off command package length is 18byte:
Beep off: 50 56 54 06 01 F0 00 00 00 00 00 00 00 00 00 00 00 F1
Beep on: 50 56 54 06 01 0F 00 DD 00 00 00 00 00 00 00 00 00 ED
Beep on/off query command package is 18byte:
This is a query command which mean you must send query package and then receive an answer.
For example:
Send package: 50 56 54 01 0B 00 00 00 00 00 00 00 00 00 00 00 00 06
Receive package: 50 56 54 01 0B 00 00 FF 00 00 00 00 00 00 00 00 00 05
The blue FF mean Beep off, if 00 mean Beep on.
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