Samsung SP-M251 User Manual (user Manual) (ver.1.0) (English) - Page 13

Zoom and Focus Adjustment, Focus Ring

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2-4 Zoom and Focus Adjustment Zoom Knob Focus Ring You can adjust the size of the image within the zoom range by manipulating the Zoom Knob. Focus the picture on the screen using the Focus Ring. The size of your screen determines the distance you set your projector from the screen. If you do not install your projector at the projection distance specified in the Screen Size and Projection Distance table in Section 2-5, you will not be able to adjust the focus correctly. Installation and Connection 2-4

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Installation and Connection
2-4
2-4
Zoom and Focus Adjustment
The size of your screen determines the distance you set your projector from the screen.
If you do not install your projector at the projection distance specified in the Screen Size and Projection Distance table in
Section 2-5, you will not be able to adjust the focus correctly.
Zoom Knob
You can adjust the size of the image within the zoom range
by manipulating the Zoom Knob.
Focus Ring
Focus the picture on the screen using the Focus Ring.