Solution 

• Confirm whether the input signal is consistent with the product's Native Resolution Timing. Point-to-point display is the clearest.

• The display principle of a DVLED display is different from that of LCD TVs and projectors. There are certain requirements for viewing distance. For example, a 135-inch DVLED display with 1.56 mm pitch is recommended to have a viewing distance of 2.5 meters or more for a better viewing experience. See below.