Rs232 Commands - Planar UltraLux Series Manual

RS232 Commands

The following table provides the most common RS232 commands that can be used.
Keep the following points in mind:
Item Command Description Command Value in hex
1 Set Power to "off"
2 Set Power to "on"
3 Get Power Status
4 Set Backlight
Brightness to "X" (1 to
100)
5 Get Backlight
Brightness
6 Set Contrast to "X" (0 to
100)
7 Get Contrast
8 Set Sharpness to "X" (-4
to 4)
9 Get Sharpness
• 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)
08 22 FE 00 00 00 00 D8
08 22 FD 00 00 00 00 D9
04 21 16 C5
Set to 80: 08 22 00 00 00
00 50 86
04 21 08 D3
Set to 40: 08 22 01 00 00
00 28 AD
04 21 09 D2
Set to -4: 08 22 03 00 00 00
00 D3
04 21 0A D1
Planar UltraLux Series Installation Guide
08 22 00 00 00 00
Command Result
video board is set to soft power
off mode; backlight off
video board is set to soft power
on mode; backlight on if video
source is present or when first
searching for video source
returns "Power: ON" if on;
"Power:" if off'; "Power: OFF" if on
but no video source present
backlight brightness set to
commanded value
returns "Backlight = value"
contrast set to commanded
value (note: contrast changes are
not saved when hard power is
turned off—known bug)
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
RS232 Commands
50 86
31