Mitsubishi Electric XL1550U Control Manual page 3

[RS-232C control flowchart]
Sending out command
Sending command again
Less than
10 times
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.
[Method of checking state of projector]
To normal operation
Enter password.
Send out "00PASS****."
START
Awaiting response
from projector
No response for
1 second or longer
Awaiting response
from projector
No response for
1 second or longer
Number of trials
without response
10th trial
Sending "00vST"
0–3
Checking response to "00vST"
6
1
Checking execution of
Yes
command (sending out
check command)
Sending command again
Yes
1
Note: In the following conditions, the projector
4
5
Projector is functioning.
Use "00FNCOFF" to cancel the current function.
3
Yes
No
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
Projector error
Send out "00vER" to check error details.
Recover from error state.
END