Introduction; Connection - Mitsubishi Electric WD8700U Manual

1. Introduction

This projector can be controlled by connecting a personal computer with RS-232C terminal.
In addition, by connecting multiple projectors to each other in a daisy chain configuration, you can control each
projector from one personal computer.
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
[Compatibility with the former models]
To use the RS-232C commands designed for the former models of Mitsubishi projector, by inputting
"00COMMAND0", the projector responds in the same way as the former models. (No NAK is returned. For NAK
response, see page 4. ID code cannot be designated at command sending.)
(For the recommended procedure to use the former command systems, see "Controlling the projector using a
personal computer" for FL7000U.)
ITEM
Changing the RS-232C
command system

1.1 Connection

Important:
• 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.)
• To use a daisy chain configuration, make sure to use Mitsubishi projectors supporting RS-232C communication. If
the projectors or other devices made by other manufacturers are connected, operation is not guaranteed.
To connect with one projector:
To RS-232C terminal
RS-232C crossover cable
D-SUB 9-pin
To connect with multiple projectors (in a daisy chain configuration):
To RS-232C terminal
RS-232C crossover cable
D-SUB 9-pin
Function
Character
COMMAND 43h 4Fh 4Dh 4Dh 41h 4Eh 44h
To SERIAL IN
terminal
D-SUB 9-pin
To SERIAL IN
terminal
D-SUB 9-pin
ASCII code
0 (Former command system),
1 (New command system)
To SERIAL OUT
terminal
RS-232C crossover cable
D-SUB 9-pin
2
Data
To SERIAL IN
terminal
D-SUB 9-pin
To SERIAL OUT
terminal