Mitsubishi DLP HC7900DW User Manual download pdf (Page 3)

Projector error

Send out “00vER” to check error details.

Recover from error state.

0–

To normal operation

Enter password.

Send out “00PSLOCK0****”.

Projector is functioning.

Sending “00vST”

Checking response to “00vST”

[Method of checking state of projector]

Sending out command

Awaiting response

from projector

Checking execution of

command (sending out

check command)

No response for

1 second or longer

END

NAK returned

Command is sent successfully.

Command execution fails.

Command is sent successfully.

Command is executed successfully.

Command sending fails.

No NAK returned

[RS-232C control owchart]

START

Check the following.

• Check that the function code is

correct.

• Check that the data code is correct.

• Check that the projector is able to

issue the return command.

 Check the projector’s operation

using the 00vST command.

Note: In the following cases, NAK is

returned even when the

projector is in normal condition.

• Immediately after the power is turned

on (about 20 seconds to 2 minutes)

• During input switching

• During auto positioning

• During password lock

Check the following.

• Check that the command begins

with “00”.

• 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.

[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 the recommended procedure to use the former command systems, see “Controlling the projector using a

personal computer” for FL7000U.)

ITEM

Function

Data

Character ASCII

Changing the RS-232C command system COMMAND 43h 4Fh 4Dh 4Dh 41h 4Eh 44h0 (Former command system),

1 (New command system)

1 2 3 4 5 6 7 8

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Mitsubishi DLP HC7900DW User Manual Page 3

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