[RS-232C control flowchart]
| START |
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| Sending out command |
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No NAK returned |
| No response for |
Awaiting response | 1 second or longer | |
| from projector |
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| NAK returned |
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Command is sent successfully.
Command is executed successfully.
Checking execution of command (sending out check command)
OK
END
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| Command is sent successfully. |
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| Command execution fails. |
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| Check the following. | ||||
| • | The ID code is out of the valid range. | |||
| • | Check that the function code is | |||
| • | correct. | |||
| Check that the data code is correct. | ||||
NG | • | Check that the projector is able to | |||
| issue the return command. | ||||
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→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
Command sending fails.
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
→Check the
•There is no projector with the specified ID in the daisy chain configuration.
→Check that the ID is correct.
→Check whether that there is a projector of which power (AC) is turned off in the daisy chain configuration.
[Method of checking state of projector]
Sending “00vST”
To normal operation | Checking response to “00vST” | 4 | ||
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| 6 | 5 |
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Projector error
Send out “00vER” to check error details.
Recover from error state.
Enter password. | Projector is functioning. |
Send out “00PASS****.” | Use “00FNCOFF” to cancel the current function. |
5