Quick Start Guide

82 Troubleshooting
Wall mounting/video wall
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Is wall mounting kit available?
The wall mounting kit should be purchased separately, though the screws needed for wall
mounting are included in the product.
The mounting interface should comply with the UL1678 standard in North America. The mounting means
should be strong enough to bear the weight of the display.
What to do if colors among all displays do not match?
Re-connect a cable from one computer to another to check if it is the video output that went
wrong.
Re-connect a cable from one display to another to check if it is the display that went wrong.
If it is the video input that went wrong, check the following:
• Make sure that the signal is output from the same source (e.g. D-Sub).
• It is recommended to use cables of equal length for connection.
• Do not use more than 2 splitters to produce video wall.
• If the total fitment width of the video wall is more than 10 meters, use an amplifier or
resistance wire avoid signal attenuation during transmission.
• If the signal came from more than one computer, make sure that all computers use the same
type of graphic card.
If it is the display that went wrong, check the following:
• Check if all the settings of the following options in the Picture menu on all displays are
identical.
- Picture Mode (Standard mode is recommended)
- Backlight
- Contrast
- Brightness
- Chroma
- Phase
- Sharpness
- Color Temp.
• Check if the settings of Adaptive Contrast and Ambient Light Sensor in Setting >
Advanced on all displays are identical.
• Adjust the colors by calibration tools (purchased separately).