Mitsubishi Electronics EW331U-ST Projector User Manual


 
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