Output C port, you can click the Number 2 below Letter C, then it will be ok.
Serial Port Protocol
Serial Port Protocol Format:
Lenght
+
Start Code
(0x55)+
Instruciton Code
+
Parameter
(
It can
be without
)+
Finish Code
(0x77)
Command (hex)
feedback
description
0x04 0x55 0x20 0x77
\r\n s1x s2x s3x s4x EEx
To get the output port working
status and the EDID status.
0x05 0x55 0x19 0x09 0x77
s10
Output 1 chosen the input 1
0x05 0x55 0x19 0x1D 0x77
s11
Output 1 chosen the input 2
0x05 0x55 0x19 0x1F 0x77
s12
Output 1 chosen the input 3
0x05 0x55 0x19 0x0D 0x77
s13
Output 1 chosen the input 4
0x05 0x55 0x19 0x17 0x77
s20
Output 2 chosen the input 1
0x05 0x55 0x19 0x12 0x77
s21
Output 2 chosen the input 2
0x05 0x55 0x19 0x59 0x77
s22
Output 2 chosen the input 3
0x05 0x55 0x19 0x08 0x77
s23
Output 2 chosen the input 4
0x05 0x55 0x19 0x5E 0x77
s30
Output 3 chosen the input 1
0x05 0x55 0x19 0x06 0x77
s31
Output 3 chosen the input 2
0x05 0x55 0x19 0x05 0x77
s32
Output 3 chosen the input 3
0x05 0x55 0x19 0x03 0x77
s33
Output 3 chosen the input 4
0x05 0x55 0x19 0x18 0x77
s40
Output 4 chosen the input 1
0x05 0x55 0x19 0x44 0x77
s41
Output 4 chosen the input 2
0x05 0x55 0x19 0x0F 0x77
s42
Output 4 chosen the input 3
0x05 0x55 0x19 0x51 0x77
s43
Output 4 chosen the input 4
0x05 0x55 0x18 0x00 0x77
EE0
EDID mix
0x05 0x55 0x18 0x01 0x77
EE1
EDID copy form output 1
0x05 0x55 0x18 0x02 0x77
EE2
EDID copy form output 2
0x05 0x55 0x18 0x03 0x77
EE3
EDID copy form output 3
0x05 0x55 0x18 0x04 0x77
EE4
EDID copy form output 4
0x05 0x55 0x18 0x05 0x77
EE5
EDID 2D 2CH
0x05 0x55 0x18 0x06 0x77
EE6
EDID 2D 5.1CH
0x05 0x55 0x18 0x07 0x77
EE7
EDID 2D 7.1CH
0x05 0x55 0x18 0x08 0x77
EE8
EDID 3D 2CH
0x05 0x55 0x18 0x09 0x77
EE9
EDID 3D 5.1CH
0x05 0x55 0x18 0x0a 0x77
EEa
EDID 3D 7.1CH