LG HF85JG User Manual download pdf (Page 114)

ENGLISH

Screen Problems

First of all, perform a (Q. Settings) Picture Picture Test for

check any abnormalities in the projector.

The screen shakes after the momentary appearance of vertical/horizontal lines

and net pattern.

• Stop using items such as wireless telephones, hairdryers, electrical drills etc.

The problem is caused by high-frequency electronic devices such as another

projector or strong electromagnetic sources.

The screen is blank or the image is blurred when an HDMI cable is used.

• Check that the HDMI® cable meets the required standards. If it is not a certified

HDMI® cable, the screen may flicker or may not display anything.

• Check that the cable is properly connected. Improper connection may cause

screen flicker.

It does not work when I connect a USB device.

• Check that the USB and USB cable versions are 2.0 or higher.

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LG HF85JG User Manual Page 114