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)
