Acer P1623 - Manual (Page 65)

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Eng
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Ceiling Mount Installation
If you wish to install the projector using a ceiling mount, please refer to the
steps below:
1
Drill four holes into a solid, structurally sound part of the ceiling, and
secure the mount base.
Note: Screws are not included. Please obtain the appropriate
screws for your type of ceiling.
2 Secure the ceiling rod using the appropriate type of cylinder screws.
20
mm
13
mm
8.4 mm
130 mm
49.9
mm
Short Rod
Screw Type A
50 mm length / 8 mm diameter -
Ceiling Mount Base
- Attach to ceiling
Long Rod
Extension Rod
Allen Key
- For tighten/loosen
Tightening Screw
Medium Rod
Large Cylinder Cap