Samsung LH55PMFXTBC/EN User Manual page 78

Chapter 6. Troubleshooting
There is audible sound when the volume is muted.
Sound from the monitor does not change after
Mode is changed.
There is an echo sound coming from the speakers.
Remote control issue
The remote control does not work.
Touch function issue
The touch function does not work.
The touch function is not working properly in a
programme.
A programme is not working properly.
Source device issue
A beeping sound is heard when my PC is booting.
When Sound Output is set to External, the volume button and mute function are disabled.
Adjust the volume for the external speakers.
Audio settings for main speakers are separate from the internal speakers on the product.
Changing or muting the volume on the product does not affect an external amplifier(decoder).
Sound Audio settings for main speakers are separate from the internal speakers on the product.
Audio settings on a source device do not affect the internal speaker settings on the product.
Different decoding speeds between the product speakers and external speakers can cause an echo.
In this case, set Sound Output
Make sure that the batteries are correctly in place (+/-).
Check if the batteries are flat.
Check for power failure.
Make sure that the power cord is connected.
Check for any special lighting or neon signs switched on in the vicinity.
Only use your fingers to touch the screen. Do not use any other object.
Make sure the screen or your fingers are not wet.
Make sure your fingers are clean. Do not wear gloves.
If a programme is not working properly, contact the original software company.
If a beeping sound is heard when your PC is booting, have your PC serviced.
to External.
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