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