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RS232 Commands
The following table provides the most common RS232 commands that can be used.
Keep the following points in mind:
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
• Command length: 8 bytes (64 bits) for "Set" Commands, 4 bytes for "Get"
Commands
• Required check sum for each command: 100h (the last byte value is chosen to
force the check sum to 100 hex)
• The baud rate is 19200 (8 data bit, 1 stop bit, no parity, no flow control)
• Example in hex for "Set Backlight Brightness to 80":
(where green bytes are the command, blue is the value, red makes the check
sum = 100h)
Command
Description
Set Power to "off"
08 22 FE 00 00 00 00 D8
Set Power to "on"
08 22 FD 00 00 00 00 D9
Get Power Status
04 21 16 C5
Set Backlight
Set to 80: 08 22 00 00 00 00 50 86
Brightness to "X"
(0 to 100)
Get BL Brightness
04 21 08 D3
Set Contrast to "X"
Set to 40:
(0 to 100)
08 22 01 00 00 00 28 AD
Get Contrast
04 21 09 D2
Set Sharpness to
Set to -4: 08 22 03 00 00 00 00 D3
"X" (-4 to 4)
Get Sharpness
04 21 0A D1
Set Color Temp to
08 22 04 00 00 00 02 D0
"4200K"
Set Color Temp to
08 22 04 00 00 00 03 CF
"5000K"
Set Color Temp to
08 22 04 00 00 00 04 CE
"6500K"
Set Color Temp to
08 22 04 00 00 00 05 CD
"7500K"
Planar UltraLux Series Installation Guide
Command Value in Hex
RS232 Commands
08 22 00 00 00 00
Command Result
Video board in soft power off
mode; backlight off
Video board on; backlight on if
video is present
Returns "Power: ON" if on; "Power:"
if off'; Power: OFF if on but no video
Brightness set to commanded
value
Returns "Brightness = value"
Contrast set to commanded value
Returns "Contrast = value"
Sharpness set as commanded
(for -4 a value of 0 is used; for 4, 8 is
used)
Returns "Sharpness = value" where
value is Sharpness setting + 4
Color temp set to commanded
value
Color temp set to commanded
value
Color temp set to commanded
value
Color temp set to commanded
value
50
86
35
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