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Poor picture
Audio not working properly
No sound
One speaker
VGA-OUT silence
Care and Maintenance
With proper care, your unit will provide you many years of service. Please follow
these guidelines to ensure the maximum performance from your unit.
Cleaning
Unplug the unit from the wall outlet before cleaning or polishing it.
Do not use liquid or aerosol cleaners.
Use a cloth lightly dampened with water for cleaning the exterior of the unit.
Repeat occasionally if possible, Do not use or place liquids near or on the unit.
Don't use machine for a long time as like as 24H-7D operation.
Don't use system for long periods of time, please unplug unit when not in use,
To prevent system failures and power supply surges use power surge protector.
Display mode
1. Y-Pb-Pr (Y-Cb-Cr) Mode
1 .Adjust chroma, brightness and contrast in the menu.
2. Check the signal cable.
1. Check the mute function if operated.
2. Adjust sound volume.
3. Check the audio cable.
1. Adjust sound balance in the menu.
2. Check the setting in sound control panel of computer.
3. Check the audio cable.
1. Check for proper earphone connection.
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