InFocus RS-232 Projector User Manual


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LP720 RS-232 Command Values
Communication Configuration
To control one of the above noted projectors from an RS-232 control system, connect the serial cable or a null modem cable and
the InFocus RS-232 Adapter (SP-CWRS232)
and set the control system serial port settings to match the following communication
configuration*:
RS-232 Port Settings
Setting Value
Bits per second 19,200
Data bits 8
Parity None
Stop bits 1
Flow control None
Emulation VT100
RS-232 Connection for LP720
The RS-232/serial connection for these projectors is located on the PC side of the CableWizard II connection hub. Use the serial
cable (IFS part # 210-0107-xx) to connect the CableWizard II to the serial port of the computer source.
Note: CableWizard
3
(p/n SP-CW3) does not support RS-232. You must Use CableWizard II (p/n SP-CW2) and the InFocus
serial cable.
Command Format
All commands consist of 3 alpha characters followed by a request, all enclosed in parentheses. The request can be a read request
(indicated by a "?") or a write request (indicated by 1 to 4 ASCII digits).
A read request example:
(AAA?) where
( starts the command
AAA denotes the command
? denotes the read request
) ends the command
A read command returns the range and the current setting, for example:
Read Command Examples
Function Command Response
Brightness (BRT?) (0-22, 10)
Volume (VOL?) (0-80, 0)
Lamp Hours (LMP?) (0-9999, 421)
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