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
19,200
8
Bits per second
Data bits
Parity
None
1
Stop bits
Flow control
Emulation
None
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: CableWizard3 (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
Brightness
Volume
Command
(BRT?)
Response
(0-22, 10)
(0-80, 0)
(VOL?)
Lamp Hours
(LMP?)
(0-9999, 421)
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Function
Command
Range
Data Source
Video Source
Min-Max, Initial Value
N/A
(Computer)
Min-Max, Initial Value
Power (write
only)
("PWR")
N/A
Brightness
Tint
("BRT")
("TNT")
("CON")
("TMP")
("CLR")
("OPT")
("VSU")
("VOL")
("BAL")
("TRB")
("BAS")
("FAD")
("AMB")
("MTE")
0-22,11
0-22,11
0-22,11
N/A
0-255,129
0-63,33
0-127,63
N/A
Contrast
ColorTemp
Saturation
Optimize
VideoFmt
Volume
Balance
Treble
N/A
0-63,37
N/A
N/A
N/A
0-4,0
0-80,40
0-31,16
0-14,7
0-14,7
0-31,16
0-37,19
0-1,0
N/A
0-80,40
0-31,16
0-14,7
0-14,7
0-31,16
0-37,19
0-1,0
Bass
Fade
Ambiance
Mute
Manual Tracking ("MTS")
0-63,32*
0-19,10*
0-63,32*
0-63,32*
0-1,1
Manual Sync
Horiz Position
("MSS")
("HPS")
N/A
N/A
Vertical Position ("VPS")
N/A
Auto Image
Resize
("AIM")
("ARZ")
("FRZ")
("LAN")
("CEL")
("REA")
("RST")
("ASC")
("DSC")
("BSC")
("MPS")
("SBT")
N/A
0-1,1
0-1,1
0-1,0
0-3,0
0-1,0
0-1,0
0-1,0
0-1,0
0-1,0
0-1,0
N/A
Freeze
0-1,0
Language
Ceiling
0-3,0
0-1,0
Rear Project
Reset
0-1,0
0-1,0
Auto Source
Default Source
Blank Screen
Menu Position
Standby Time
0-1,0
0-1,0
0-1,0
N/A
N/A
N/A
Display
Messages
("DMG")
N/A
N/A
Display Startup
Screen
("DSU")
("STB")
N/A
N/A
Standby Mode
0-1,0
0-1,0
0-1,0
0 = computer
1 = video
0-1,0
0 = computer
1 = video
Source
("SRC")
Bulb Clock (read
only)
("LMP")
0-9999,0
0-9999,0
*Software dynamically changes range based on the signal received.
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