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Vidikron VL-26/VL-32 Owner’s Operating Manual 47
6.1
RS-232 Connection and
Port Configuration
To interface the DView with a home theater automation/control system or a PC running
terminal emulation software, connect it to your control system or PC as shown in
Figure 3-8.
Configure the RS-232 controller or PC serial port as follows: no parity, 8 data bits, 1 stop bit
and no flow control. Set the baud rate to match that of the DView RS-232 port; the default
baud rate is 115200.
6.2
Serial Command Syntax
Table 6-1 lists the RS-232 command set. All commands are in ASCII format. A carriage return
is not required after a command.
When you send a valid command, the DView executes it and acknowledges it with a
right-bracket character (]) followed by the four-digit numeric code you sent; for example,
]0002. When you send an invalid command, the DView ignores it and returns -N/A instead
of the four-digit code.
6Serial Communications
Table 6-1. Serial Commands
Command Description
[ S3A 0###
Set audio volume to ### (=000-100)
Example: [S3A0075 sets volume to 75
[ +3A
Audio volume up
[ -3A
Audio volume down
[ S4A 000#
Main input selection
0=TV
1=Input1
2=Input2
3=Input3
5=DVI
6=RGB
Example: [S4A0006 selects RGB
[ S4E 000#
Aspect ratio selection
0=Standard (4x3)
1=IntelliWide
2=Letterbox
3=Anamorphic
Example: [S4E0002 selects Letterbox
[ S4F 0101
Select Composite Video for Input1
0102
Select S-Video for Input1
0201
Select Composite Video for Input2
0202
Select S-Video for Input2
0301
Select Composite Video for Input3