LG CineBeam HU915QE Owner's Manual page 15

3
To adjust the focus of the image, slowly adjust the focus ring to the left or
right while looking at the top center of the screen. You can adjust the focus
most effectively when the left and right screen are balanced. When adjusting
the focus on the screen, do not let the product shake.
– Before using the focus ring, press the side ( ) of the focus ring cover once
to open the cover. Please open the focus ring cover before using the focus
ring.
4
If the angle of the projection is not perpendicular, use the [Edge Adjustment]
function. (Use the Up/Down/Left/Right buttons on the remote control to
adjust the top/bottom/left/right of each angular point.)
NOTE
•
After using the product at room temperature, turning on the power may blur the
focus if the inside temperature is low, but it will recover over time.
• This defocusing is a temporary phenomenon that occurs in low-temperature
environments, and this will not affect the product's performance or lifespan.
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