Infocus LP740, LP740B User Manual

RS-232 Terminal Specifications

Communication configuration

To control the LP 740 from your computer, connect the RS-232
cable and set your computer’s serial port settings to match this
communication configuration:

Setting Value

Bits per second 192000
Data bits 8
Parity None
Stop bits 1
Start bit 1

Command format

All commands consist of 3 alpha characters followed by a
request, all enclosed in parentheses.

An example: (AAA####) where

( starts the command
AAA denotes the command
#### denotes the value to be written

(leading zeros not necessary)

)ends the command

NO TE: To assure the projector
can process a command, wait 3
seconds before entering the next
command.

Appendix

Supported commands

Function Command Meaning

Power PWR 1=ON, 0=OFF
Volume LMP 1=Volume Up,

0=Volume Down

Mute MTE 1=Mute On,

0=Mute Off

Track TRC 1=Phase Up,

0=Phase Down

Sync SYC 1=Sync Up, 0=Sync

Down

Bright BRT 1=Bright Up,

0=Bright Down

Resize RES 1=Expansion On,

0=Expansion Off

Source SRC 0=Comput er

1=Video
2=S-video

Menu MNU 1=Menu On,

0=Menu Off

Zoom ZOM 1=Zoom +,

0=Zoom -

Point PNT 1=Poi nter On,

0=Pointer Off

Mask MSK 1=Mask On,

0=Mask Off

Cursor CSR 0=Up, 1=Down

2=Right, 3=Left