JVC SP50M-C User Manual page 53

Poor Reception on Some Channels 
The Remote Control does not work 
TV Shuts Off
No CATV Reception
Closed Caption is not activated
Troubleshooting

Check for possible sources of interference.
The channel or cable TV broadcast is experiencing problems. Tune to another channel.

Make sure that channels are set into memory

The network signal is weak. Adjust the antenna to receive a better reception

Check for possible sources of interference.
Batteries may be weak, dead, or inserted incorrectly.

Point the remote control directly at the IR sensor on the TV with an angle of 35 degrees.

Remove any obstacles between the remote control and the TV.

Remote control is out of range. Move closer to the TV.

Sleep timer is set.

Power is interrupted.

Check all cable TV connections.

Set the TV Mode in Channel menu.

The channel/program is not a closed caption broadcast. Try another channel.

Enable Closed Caption in the Menu.
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