Mitsubishi Electric EW331U-ST - Manual
Mitsubishi Electric EW331U-ST – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – Control command configuration
- Page 5 – Reading command diagram; monitored. Input terminal is not available during no signal.
- Page 6 – value as the data code and send it back to the PC.; How to set the value; Use the character or ASCII code as shown below to set the value.
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 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 (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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Summary
2 2. Control command configuration The command consists of the address code, function code, data code, ACK/NAK, and end code. The length of the com- mand varies among the functions. [Address code] Fixed to 00. (‘30h’ ‘30h’ in the ASCII code) [Function code] Code unique to each control operation. [Da...
5 4. Command list4.1 Operation commands The operation commands are used for the basic operation setting of this projector. They may not be executedwhile the signals are changed. The operation commands have no data codes. [Example] When setting the input signal to COMPUTER 1. (Values enclosed in quot...
6 4.3 Remote commands (Not executable in stand-by mode.) The remote commands allow the computer to control the projector in the same way as by the remote control.(Some operations cannot be controlled.) The remote commands have no data codes. Button’s name on remote Function Character ASCII +/VOLUME ...
