LG CineBeam Laser HF80LS Owner's Manual page 117

[Energy Saving]
(Q. Settings)
Reduces power consumption by adjusting peak screen brightness.
• [Minimum]/[Medium]/[Maximum]
Applies the pre-set [Energy Saving] mode.
[Picture Test]
(Q. Settings)
First of all, start the Picture Test to see whether the video signal output is normal,
and then select whether there is an error.
If there are no problems in the test picture, check the connected external device.
[Picture] [Energy Saving]
[Picture] [Picture Test]
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