
DU8090Z DLP Projector CommunicationManual
The Serial Interface RS-232 Command
This controller supports projectors with a RS-232 serial terminal, there exist two types of serial commands:
Operation command: Available menu options are INPUT, PICTURE, ALIGNMENT, CONTROL, SERVICE.
Simulated IR remote controller commands: Controls projector via RS-232 command, the commands simulate IR
remote controller and its control keys.
Communication parameter setup
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:
Note:
The terminal software does not return every command input character
The transmission performance varies with the length of RS-232 cable
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 setup order of
adjustment items
Decrease setup order of
adjustment items
+ Some settings are changed in steps. Symbol "+"
indicates changing one step up
- 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 row Projector return message
Query current brightness op bright ? [CR] OP BRIGHT = 101
Set up brightness op bright = 127 [CR] OP BRIGHT = 127
Set up input signal source to
HDMI op input.sel = 0 [CR] OP INPUT.SEL = 0
Reset camera to center position lens.center
Note:
When sending the multiple commands, make sure the return message of the last command is received before
sending out the next one.