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1
Preparations
RS232C cable
Connector: 9-Pin D-Sub to Stereo Cable
9
6
-P1-
Female
Connection
Control Code
No.
1
2
3
4
5
6
7
All communications take place in hexadecimals. The checksum is calculated by adding up all values
except the header. If a checksum adds up to be more than 2 digits as shown below
(11+FF+01+01=112), the first digit is removed.
5
1
-P1-
Rx
2
-------->
Tx
3
<--------
Gnd
5
---------
RS232C
Command type
Power control
Input Source Control
Contrast Control
Brightness Control
Manual
Lamp (Backlight) Control
CHANNEL UP DOWN
VOLUME UP DOWN
-P2-
STEREO PLUG
(3.5ø)
-P2-
-P2-
1
Tx
STEREO
2
Rx
PLUG
(3.5ø)
3
Gnd
Command
Value range
0x11
0~1
0x14
-
0x24
0 ~ 100
0x25
0 ~ 100
0x58
0 ~ 100
0x61
0 ~ 1
0x62
0 ~ 1
1 Preparations
34
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