10 Trouble shooting
This section describes
10.1 Communication issues
The TV does not communicate with external interactive terminal:
•Select the appropriate communication source. See Section 6.4 Set communication source for details.
•Check that the card slot is enabled. See Section 4.6.2 Access CAM services for details.
10.2 Picture issues
Picture performance not at its optimum when using VGA or EXT 3 source
•Do not connect a VGA input and a EXT 3 input to the TV at the same time.
10.3 Other issues
The character 'F' appears on the TV screen.
This means that the TV is currently in factory mode.
•Press and hold the MENU button at the side of the TV or a few seconds.This will reset the TV to normal operation.
No respond from TV when using guest mode remote control.
This means that security has been set to HIGH.
•Select CONFIGURATION > SECURITY. Set SECURITY to
STANDARD.