ViewSonic CD4233 Hardware Interface Spec And Software Protocols page 6

Monitor ID 8
Key Pad 8
Remote Control 8
Key Pad 8
Factory reset 8
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May 28, 2007
Commercial Display RS-232 Protocol
s =
s A
s B
s C
s ~
6 / 16
Revision 1.x
005 : S-Video
3D 001 ~ 026
41 000 : POWER
001 : SOURCE
002 : MENU/EXIT
003 : UP
004 : DOWN
005 : LEFT
006 : RIGHT
007 : MUTE
42 000: Disable
001: Enable
002: Pass through
43 000: Disable
001: Enable
7E 0
Commercial Display RS-232 Protocol
Disable: RCU has
no effect on HDTV.
Enabled: RCU
controls the HDTV.
This is the power up
default on the
HDTV.
Pass through: RCU
has no effect on
HDTV and all RCU
command codes are
transmitted to FC
via the RS232 port.
See page 26 for
more details
Disable: Key Pad
have no effect on
HDTV.
Enabled: Key Pad
control the HDTV.
This is the power up
default on the
HDTV.
Rests HDTV to
factory setting