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1 Preparations
RS232C cable
Connector: 9-Pin D-Sub to Stereo Cable
Connection
Control Code
z 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.
-P1- -P1- -P2- -P2-
Female
Rx
Tx
Gnd
2
3
5
-------->
<--------
---------
1
2
3
Tx
Rx
Gnd
STEREO
PLUG
(3.5ø)
No. Command type Command Value range
1 Power control 0x11 0~1
2 Input Source Control 0x14 -
3 Contrast Control 0x24 0 ~ 100
4 Brightness Control 0x25 0 ~ 100
5 Manual
Lamp(Backlight)Control
0x58 0 ~ 100
6 CHANNEL UP DOWN 0x61 0 ~ 1
7 VOLUME UP DOWN 0x62 0 ~ 1
1
59
6
-P2-
STEREO PLUG
(3.5ø)
RS232C