User guide

APPENDIX
119
TThheerree iiss aa pprroobblleemm iinn PPCC mmooddee.. ((OOnnllyy PPCC mmooddee aapppplliieedd))
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Adjust resolution, horizontal frequency, or vertical frequency.
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Check the input source.
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Work the Auto configure or adjust clock, phase, or H/V position. (Option)
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Check the signal cable.
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Reinstall the PC video card.
The signal is out of range
Screen color is unstable
or single color
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Picture OK & No sound
Unusual sound from
inside the product
No sound
when connecting
HDMI/USB
No output from one
of the speakers
TThhee aauuddiioo ffuunnccttiioonn ddooeess nnoott wwoorrkk..
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Press the VOL or VOLUME button.
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Sound muted? Press MUTE button.
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Try another channel. The problem may be with the broadcast.
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Are the audio cables installed properly?
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Adjust Balance in menu option.
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A change in ambient humidity or temperature may result in an unusual noise
when the product is turned on or off and does not indicate a fault with the
product.
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Check HDMI cable over version 1.3.
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Check USB cable over version 2.0.
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Use normal MP3 file.