ViewSonic CD4233 Hardware Interface Spec And Software Protocols page 9

PC Get-function command to
Get Function Length
Get-Contrast 8
Get-Brightness 8
Get-Sharpness 8
Get-Color 8
Get-Tint 8
Get-Volume 8
Get-Mute 8
Get-RCU 8
Get-Key Pad 8
Get-Input 8
select
Get-Power 8
status
Get-ACK 8
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May 28, 2007
Commercial Display RS-232 Protocol
CD5233/CD4233
ID Command
Type
Code
(ASCII)
g a
g b
g c
g d
g e
g f
g g
g h
g i
g j
g l
g z
9 / 16
LCD Monitor
Command Response
Code (Three ASCII
(Hex)
61 000 ~ 100
62 000 ~ 100
63 000 ~ 100
64 000 ~ 100
65 000 ~ 100
66 000 ~ 100
67 000:
(unmuted)
001: ON (muted)
68 000: Disable
001: Enable
002:
through
69 000: Disable
001: Enable
6A 000: VGA
001:
002:
003: AV
004: YPbPr
005: S-Video
6C 000: STBY
001: ON
7A 0
Commercial Display RS-232 Protocol
Revision 1.x
Comments
Range
bytes)
Gets Contrast value
Gets Brightness value
Gets Sharpness value
Gets Color value
Gets Tint value
Gets Volume value
OFF Gets Mute ON/OFF
status
Gets RCU mode
status
Pass
Gets Buttons ON/OFF
status
Gets Input select
status
HDMI
DVI-D
Gets the status of the
HDTV power.
HDTV response:
000 = HDTV is in
standby
001 = HDTV is ON
This command is
used to test the
communication link.