Справочник Пользователя для Infocus 630
![Infocus](https://files.manualsbrain.com/attachments/44328f3cf7a0dc2a13e0d937264992bcf025befd/common/fit/150/50/2072f893d4bf91167e87e422ddbc4afcbdb42105b3e48b28f772e61d801e/brand_logo.jpeg)
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Using the Security Lock
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Troubleshooting
Problem: The projector is not running
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Problem: Projector is running, but nothing appears on the projection
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Problem: Only the start-up screen displays
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