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Serial Communications
54 PlasmaWall SP Series Owner’s Operating Manual
P
RELI
M
INARY
Table 6-1 lists the RS-232 command set. The “Parameter (min/max)” column shows the
valid parameter ranges, or “NA” for commands that take no parameters.
When you enter a valid command, the DHD Controller executes it and acknowledges it
with a plus sign on the command line (+ >). When you enter an invalid command – one
that is misspelled or followed by values outside the valid range for that command – the
DHD Controller ignores it and returns a minus sign (- >).
Table 6-1. Serial Commands
Command
Parameter
(min/max)
Value
Stored?
Description
Power On/Off Commands
OFF NA NA Turns system off
ON NA NA Turns system on
POWER 0/1 NA Turns system on or off (toggles on/off state)
POWER? NA NA Returns power status
Input Selection Commands
COMPONENT NA YES Selects the Component input
COMPOSITE NA YES Selects the Composite video input
DVI1 NA YES Selects the DVI 1 input
DVI2 NA YES Selects the DVI 2 input
HD1 NA YES Selects the RGB HD 1 input
HD2 NA YES Selects the RGB HD 2 input
HD1PASS NA YES Loops HD1 input to RGBHV output
HD2PASS NA YES Loops HD2 input to RGBHV output
INPUT? NA NA Returns active input
SVIDEO1 NA YES Selects the S-Video 1 input
SVIDEO2 NA YES Selects the S-Video 2 input
Aspect Ratio Commands
ANAMORPHIC NA YES Selects the Anamorphic aspect ratio
ASPECT? NA NA Returns current aspect ratio
ASPECTIN? NA NA Returns the input source aspect ratio
ASPECTOUT? NA NA Returns output screen size
CINEMA NA YES Selects the Cinema aspect ratio
LETTERBOX NA YES Selects the Letterbox aspect ratio
STANDARD NA YES Selects the Standard (4:3) aspect ratio
VIRTUALWIDE NA YES Selects the VirtualWide aspect ratio