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Mitsubishi Projektorer WL6700U

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LCD Projector

WL6700U

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 D-SUB 9-pin

To 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 ﬁ rst, 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.

2. Control command diagram

The command consists of the address code, function code, data code, and end code. The length of the command

varies among the functions.

Address code Function code Data code End code

ASCII ‘30h’ 30h’ Function Data ‘0Dh’

Character 00 Function Data

[Address code] 00 (In ASCII code, ‘30h’ ‘30h’) ﬁ xed.

[Function code] A code of each ﬁ xed control move.

[Data code] A code of each ﬁ xed control data (number) and not always indicated.

[End code] (In ASCII code, ‘0Dh’) ﬁ xed.

3. Control sequence

Computer Projecto

Sequence Note

1Send the command from the

personal computer to the projector.

The projector will send a return

command after it receives an end

code.

If the projector does not receive commands

normally, that is, if the projector is not connected

physically or unable to receive commands, it does

not send out a return command.

The projector sends out a return command within

one second at the latest.

The personal computer checks the

command and conﬁ rms if the sent

command has been received or not.

Although the projector receives the commands, it

in some cases does not execute the commands.

Use the check command to see

if the projector has executed the

command.

This projector sends various codes other than the

return code. When having a control sequence by

RS-232C, reject other codes from the personal

computer.

• Although the projector sends out the return command, the command may not take effect in the following

cases.

(1) During signal switching

(2) In the process of the auto position

(3) After the power is turned on.

The projector receives no commands for about 20 seconds (or for 2 minutes at the longest if the lamp

does not light up promptly as the life is expiring.)

• When sending commands successively, wait to receive the return command of the current command before

sending a next command.

• The projector may not receive a command when the splash screen is being displayed immediately after turn-

ing on the power. Use command “00r10” to cancel the splash screen.

• While using the LAN terminals, the LAN functions take precedence.

• For the LAN terminals, the same commands as those for connecting with the TCP/IP (port number 63007) are

available. Note, however, that the response becomes slightly slower than when using the RS-232C terminals.

[Example] When turning the power ON. (Figures and symbols enclosed in quotation marks are ASCII codes.):

Sending commands

from the PC, etc.

Status code

from the projector Description

‘30’ ‘30’ ‘21’ ‘0D’

00!

Command for POWER ON

‘30’ ‘30’ ‘21’ ‘0D’

00!

Command receipt conﬁ rmation

(Command echo back)

• The ﬂ owchart on the next page shows the recommended operating sequence for your reference to create a

program.

Sending out command

Awaiting response

from projector

Awaiting response

from projector

Checking execution of

command (sending out

check command)

Sending command again

YesYes

Yes

10th trial

Less than

10 times

Projector error

Send out “00vER” to check error details.

Recover from error state.

0–3

To normal operation 4

Enter password.

Send out “00PASS****.”

Projector is functioning.

Use “00FNCOFF” to cancel the current function.

6 5

END

No response for

1 second or longer

No response for

1 second or longer

Sending command again

Number of trials

without response

Sending “00vST”

Checking response to “00vST”

[RS-232C control flowchart]

[Method of checking state of projector]

START

Check the following.

The projector is not supplied with AC power.•

→ Check that AC power cord is connected.

→ Turn on the power. (Turn on the circuit breaker or

main switch.)

Not connected with the projector.•

→ Check that the RS-232C cable is connected.

→ Check the RS-232C cable for electrical discontinuity.

The projector is in the state of being unable to send out •

a command.

→ Use command “00vST” to check if the projector

operates normally.

Note: In the following conditions, the projector

does not respond even if it operates

normally.

• Immediately after turning on the power

(for about 20 seconds to 2 minutes)

• During switching signals (about 10

seconds)

• In the process of the auto position

(about 10 seconds)

• During locking the password

Produktspecifikationer

Varumärke:	Mitsubishi
Kategori:	Projektorer
Modell:	WL6700U
Färg på produkten:	Wit
Inbyggd display:	Ja
Nuvarande:	400 A
Laddningsspänning:	12 V
Batterikapacitet (max):	12 Ah