Mitsubishi Electronics EW331U-ST Projector User Manual


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1
DLP Projector
EX320U/EW330U/EX320U-ST/EX321U-ST/EW331U-ST
Controlling the projector using a personal computer
This projector can be controll ed by connecting a pe rsonal 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 o before connection.
• Boot up the computer rst, and then plug the power cord of the projector.
(If you do not follow this instr
uction, 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 (D-SUB 9-pin)
1.2 Communications format
This projector uses RXD, TXD and GND lines for RS-232C control.
PROTOCOL RS-232C
BAUD RATE 9600 [bps]
DATA LENGTH 8 [bits]
PARITY BIT NONE
STOP BIT 1 [bit]
FLOW CONTROL NONE
SERIAL
D-SUB 9-pin D-SUB 9-pin
RS-232C cable
RS-232C
terminal
Pin
Description Pin
Description
1
NC 2
RXD
4
NC
6
NC
8
CTS
3
TXD
5
GND
7
RTS
9
NC
1
2
3
4
5
6
7
8
9
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