Mitsubishi-electric WL6700U User Manual download pdf

LCD Projector

WL6700U/WL6700LU

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

RS-232C cable

SERIAL

D-SUB 9-pin

RS-232C

terminal

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)

Pin No. Name I/O

1 OPEN

2 RXD IN

3 TXD OUT

4 OPEN

5 GND

6 OPEN

7 OPEN

8 OPEN

9 OPEN

1.2 Communications format

PROTOCOL RS-232C

BAUD RATE 9600 [bps]

DATA LENGTH 8 [bits]

PARITY BIT

NONE

STOP BIT 1 [bit]

FLOW CONTROL NONE

This projector uses RXD, TXD and GND lines for RS-232C control.

For RS-232C cable, the reverse type cable should be used.

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Summary of Contents

Page 1 - WL6700U/WL6700LU

1LCD ProjectorWL6700U/WL6700LUControlling the projector using a personal computerThis projector can be controlled by connecting a personal computer wi

Page 2 - 3. Control sequence

22. Control command diagramThe command consists of the address code, function code, data code, and end code. The length of the command varies among th

Page 3 - [RS-232C control flowchart]

3Sending out commandAwaiting response from projectorAwaiting response from projectorChecking execution of command (sending out check command)Sending c

Page 4 - 4.2 Reading command diagram

44. Command list4.1 Operation commands (Not executable in stand-by mode. When the commands for input select are sent while the splash screen is

Page 5

5ITEMFunctionData (Receive)CharacterASCIIProjector status vST 76h 53h 54h 0 (Stand-by mode), 1 (Within 1 minute after POWER-ON (warm-up mode)),2 (

Page 6

6[Example] When displaying the MENU selection bar. (Figures and symbols enclosed in quotation marks are ASCII codes.):Sending commandsfrom the PC

Page 7 - How to set the value

7ITEMFunctionDataCharacter ASCIICOLOR TEMP.-USER (BRIGHTNESS)Q 51h ±30 ±30 ±30 (R, G, B)COLOR T 54h ±10TINT S 53h ±10SHARPNESS R 52h ±5NOISE REDUCTION

Page 8 - 4.7 Password lock commands

8[Example 1] When setting the AUTO POWER ON to ON. (Figures and symbols enclosed in quotation marks are ASCII codes.):Sending commandsfrom the PC, et