
DU6693Z DLP Projecto
Remote Communication Manual
2
RC66930718EN01
The Serial Interface RS-232 Command
This projector supports to control by RS-232 command, there exists two types of RS-232 serial commands:
Operation command: The commands are listed by the OSD menus structure as PICTURE,SIGNAL, SETUP,
INSTALLATION and SERVICE.
Simulated IR remote controller commands: Controls projector via RS-232 command, the commands simulate IR
remote controller and its control keys.
Communication parameter
You can use the serial control command to input commands for projector control or retrieve its operational data
through Windows client terminal software, e.g. Hyper Terminal, with ASCII characters. You need to set up the following
communication parameters in advance:
Item Parameter:
Bit per Second 9600, 19200, 38400 bps
Data Bit 8-bit
Parity None
Stop Bit 1
Flow Control None
Port 7000
The terminal software does not return every command input character.
The transmission performance varies with the length of RS-232 cable, please set the baud rate per
the cable length.
Operation commands
Operation command syntax
An operation command is prefixed by character "op", followed by control commands and settings separated by
space blank [SP], and ended by carriage return pair "CR" and "ASCII hex 0D".Syntax of serial control
commands:
op[SP]<operation command>[SP]<Setting Value>[CR]
op :
A constant indicating this is an operation command.
[SP] :
Indicate one blank space.
[CR] :
Indicate the command ending carriage return pair "CR" and "ASCII hex 0D".
Setting value : Settings of operation command
Types of setup strings Characters of settings Description
Query current setup ? Question mark "?" indicates querying current setup
Setup = <settings> Syntax: Symbol "=" suffixed with setup values
Increase the value + Some settings are changed in steps. Symbol "+"
indicates changing one step up
Decrease the value - Some settings are changed in steps. Symbol "-"
indicates changing one step down
Execute operation command None Certain operation commands execute after input
without further setting or regulators.
Examples:
Control items Input command Projector return message
Query current brightness op bright ? [CR] OP BRIGHT = 101
Set brightness op bright = 127 [CR] OP BRIGHT = 127
Set input signal source to HDMI op input.sel = 0 [CR] OP INPUT.SEL = 0
Reset projection lens to
center position
lens.center
When sending the multiple commands, make sure the return message of the last command is
received before sending out the next one.