Adjusting The Projector's Zoom/Focus - Optoma H30 User Manual

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Installation

Adjusting the Projector's Zoom/Focus

You may adjust the zoom to zoom the lens in or out. Turn the zoom
ring to zoom in or zoom out. To focus on the image, turn the focus
lens until you see a clear image. The projector will focus from 3.93
to 32.81 feet (1.25 to 10m) distances of feet.
14
Zoom Ring
Focus Lens