* If the display does not display images, check image display and stuck source and the power plug is connected, or check fuse.
* If the display of "No Signal" (no signal) red light, then check source signal and image display, and signal cables is connected.
* If the display of "Input Not Supported" (shown beyond the scope), the input signal pattern does not support, please adjust input methods, such as AV or PC.
* If the display screen is not the center screen, you can use the "manual adjustments" "horizontal position" and "vertical position", please refer to "screen menu system", or press the reset button reset.
* If the image is too dark or too bright, you can use contrast, brightness, and other parameters of regulation, please refer to "screen menu system."
* If the images appeared interference phenomena, check signal source and connectivity.
* If the images, sometimes without, it is not normal because of signal, check whether the signal line to a solid
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