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Communication Parameters
• Baud rate : 9600 bps (UART)
• Data length : 8 bits
• Parity : None
• Stop bit : 1 bit
• Communication code : ASCII code
• Use a crossed (reverse) cable.
Command reference list
* (Depending upon model)
COMMAND1 COMMAND2 DATA (Hexadecimal)
1 Power k a 00 to 01
2 [Aspect Ratio] k c (page 23)
3 Screen Mute k d (page 23)
4 Volume Mute k e 00 to 01
5 Volume Control k f 00 to 64
6 [Contrast] k g 00 to 64
7 [Brightness] k h 00 to 64
8 [Color] k i 00 to 64
9 [Tint] k j 00 to 64
10 [Sharpness] k k 00 to 32
11 OSD Select k l 00 to 01
12 Remote Control Lock Mode k m 00 to 01
13 [Balance] k t 00 to 64
14 [Color Temperature] x u 00 to 64
15 [Equalizer] j v (page 25)
16 [Energy Saving] j q 00 to 05
17 Key m c Key Codes
18 Control Backlight m g 00 to 64
19 Input select x b (page 25)
• During playing media, all commands except Power (ka) and Key (mc) are not executed and treated as NG. With
RS232C cable, signage can communicate “ka command” in power-on or power-off status; but with USB-to-Serial
converter cable, the command works only if signage is on.
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