3. Control Flowchart
Notes
• When sending commands in succession, wait until a response is received from the
first command before sending the next command.
• Command timeout is 10 seconds. If no response is returned within 10 seconds after a command is sent,
the command or response may not have reached the destination.
Turn off the device, check the communication cable, and resend the command.
END
Command
Transmission
Response
received?
YES
NO
Response Reception
Has 10 seconds
elapsed?
NO
YES
First failure?
YES
NO
(Confirm)
Command
Transmission
No Response from Projector
◆ Confirm that the projector is on
◆ Check the AC cord
◆ Check the control cable
Same response standby
processing as above
Expected
results
obtained?
NO
YES
START
Success?
YES
NO
Error Response
Investigate the status in
the response table and
take measures as needed
