Optoma A16, Руководство по установке

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length of adapter A plus thickness of ceiling mount plate plus 10mm.
Installing the UST lens
Follow the steps below to install the UST lens.
1.
To fine-tune the boresight, insert the boresight extenders before installing UST
lens.
2.
Insert the UST lens.
Note : Align the TOP mark with the top of projector when inserting the UST
lens.
3. Rotate the lens clockwise to lock UST lens.