User manual

5
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.
65
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)
OK
NG
No response for
3 seconds 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 flowchart]
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
(For status read commands)
approximately for 20 seconds
(For other commands) approxi-
mately for 1 minute
• 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.)
Not connected with the projector.
Check that the RS-232C cable is
connected.
Check the RS-232C cable for
electrical discontinuity.