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9Troubleshoot basic problems
This section describes commonly encountered issues and accompanying solutions.
The TV does not communicate with the external interactive terminal: Press RECALL on the setup remote control. Check that the status of communication is: “COMMUNICATION
•• If the communication protocol in the status is not
•• If the communication status is OFFLINE, check that the RJ12 cable and the other cables are connected properly.
The letter ‘F’ appears on the screen:
•• If the letter ‘F’ appears on the screen, it indicates that the TV is in factory mode. To restore the TV to normal settings, press VOLUME
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