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How can I fix video signal flicker?


Start by adjusting the "HDMI Equalizer" value in the OSD to optimize the video signal.  

Also, keep in mind that the most suitable cable length for the projector should not exceed 5 meters for 4K/60 or 12 meters for 1080p/60, so make sure to choose cables within these lengths to minimize the likelihood of flicker. 

If really needed, you can use an HDMI extender or optical/powered HDMI cables for long-range connections.

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