
[RS-232C control flowchart]
No NAK returned
Command is sent successfully.
Command is executed successfully.
START
Sending out command
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| 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. |
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| Command sending fails. | |
Command execution fails. |
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Checking execution of | NG |
command (sending out |
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check command) |
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OK
END
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
connected.
→Check the
[Method of checking state of projector]
Sending “00vST”
To normal operation
Checking response to “00vST” | 4 | |||
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| 6 |
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| 5 |
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Projector error
Send out “00vER” to check error details.
Recover from error state.
Enter password. Send out “00PASS****”.
Projector is functioning.
[Compatibility with the former models]
To use the
(For the recommended procedure to use the former command systems, see “Controlling the projector using a personal computer” for FL7000U.)
ITEM |
| Function |
| Data |
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Character | ASCII |
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Changing the | COMMAND | 43h 4Fh 4Dh 4Dh 41h | 0 | (Former command system), | |
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| 4Eh 44h | 1 | (New command system) |
4