LG 43UL3G-B User Guide - Page 113

Issues Related to Screen Color, Issues Related to Sound

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ENGLISH 113 Issues Related to Screen (Color) •• Screen has poor color resolution (16 colors). -- Use PC settings to set the color to 24 bits (True Color) or above. •• Screen color is unstable or mono-colored. -- Check the connection status of the signal cable. Or, re-insert the PC graphics card. •• Black spots or bright spots appear on the screen. -- Some pixels (red, green, blue, black) are visible on the screen due to the unique characteristics of the display panel. This is not a malfunction of the product. •• The screen's brightness seems dark. -- Adjust brightness and contrast again. -- Backlight may need repair. -- If the internal temperature of the enclosure rises, the screen's brightness may darken. Clean the heat exchanger or filter in the enclosure periodically. Issues Related to Sound •• There is no sound output. -- See if the audio cable is connected properly. -- Adjust the volume of the product or external device. -- See if the sound is set properly. •• Sound is too dull. -- Select the appropriate equalizer sound. •• Sound is too low. -- Adjust the volume of the product or external device. •• For some models, you will need to purchase external speakers separately since they do not have speakers built-in.

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ENGLISH
113
Issues Related to Screen (Color)
•
Screen has poor color resolution (16 colors).
-
Use PC settings to set the color to 24 bits (True Color) or above.
•
Screen color is unstable or mono-colored.
-
Check the connection status of the signal cable. Or, re-insert the PC graphics card.
•
Black spots or bright spots appear on the screen.
-
Some pixels (red, green, blue, black) are visible on the screen due to the unique characteristics of the display panel.
This is not a malfunction of the product.
•
The screen’s brightness seems dark.
-
Adjust brightness and contrast again.
-
Backlight may need repair.
-
If the internal temperature of the enclosure rises, the screen’s brightness may darken. Clean the heat exchanger or
filter in the enclosure periodically.
Issues Related to Sound
•
There is no sound output.
-
See if the audio cable is connected properly.
-
Adjust the volume of the product or external device.
-
See if the sound is set properly.
•
Sound is too dull.
-
Select the appropriate equalizer sound.
•
Sound is too low.
-
Adjust the volume of the product or external device.
•
For some models, you will need to purchase external speakers separately since they do not have speakers built-in.