Samsung SP-M221 Owner's Instructions Manual page 48

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MENU
DESCRIPTION
Panel Lock
You can disable the buttons on the projector body so that the
projector can only be
operated by the
remote control.
<Off> - <On>
Information
You can check external source signals, picture setup, and PC picture adjustment.
3-5
Using

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Sp-m251Sp-m201Sp-m270Sp-m300

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