DDU6871/DW6851/DX6831 DLP Projector Remote Communication Manual
2
The serial interface RS-232 command
This controller supports projectors with a RS-232 serial interface. There exist two types of serial commands:
Operation command: Available menu options are INPUT, PICTURE, LAMP, ALIGNMENT, CONTROL, SERVICE, and
OTHERS.
Simulated IR remote controller commands: Controls projector with serial command analog 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:
Item
Parameter:
Bit per Second
115200 (default), 57600, 38400, 19200, 14400, 9600, 4800, 2400, 1200bps
Data Bit
8-bit
Parity None
Stop Bit
1
Flow Control
None
Port 7000
Caution:
The terminal software does not return every command input character
The transmission performance varies with the matching length of RS-232 cable and transmission speed.
Please select proper transmission from the OSD menu.
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 of settings: Symbol "=" suffixed with setup
values
Increase setup order of
adjustment items
+
Some settings are changed in steps. Symbol "+"
indicates changing one step up
Decrease setup order of
adjustment items
-
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
settings
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
