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DLP Projector
XD250U/XD280U/XD250U-ST
Controlling the projector using a personal computer
This projector can be controlled by connecting a personal computer with RS-232C terminal.
PC-controllable functions:
• Turning the power ON or OFF
• Changing input signals
• Inputting commands by pressing the buttons on the control panel and remote control
• Menu setting
Connection
Important:
• Connect the computer with the projector on a one-to-one basis.
• Make sure that your computer and projector are turned off before connection.
• Boot up the computer first, and then plug the power cord of the projector.
(If you do not follow this instruction, the Com port may not function.)
• Adapters may be necessary depending on the PC connected to this projector. Contact your dealer for details.
1. Interface
1.1 Pin assignment of SERIAL terminal (Mini-DIN 8-pin)
1.2 Communications format
This projector uses RXD, TXD and GND lines for RS-232C control.
Pin No. Name I/O
1RXDIN
2 OPEN
3 OPEN
4GND
5 OPEN
6 OPEN
7TXDOUT
8 OPEN
PROTOCOL RS-232C
BAUD RATE 9600 [bps]
DATA LENGTH 8 [bits]
PARITY BIT NONE
STOP BIT 1 [bit]
FLOW CONTROL NONE
12
34 5
67
8
RS-232C
terminal
D-SUB 9-pin
RS-232C cable
Mini-DIN 8-pin
SERIAL