Acer P7280 User Manual

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Installing the dust filter of the projector

This projector support dust proof function.
Follow these steps:

1 Take two dust filters from the 

accessory bag.

2 Slide the dust filter in 

(Illustration #1)

3 Insert a suitable coin into the 

top cover release button 
(Illustration #2) and rotate 
clockwise (Illustration #3). 

4 Open the top cover. 

(Illustration #4)

5 Slide in another dust filter. 

(Illustration #5)

6 Connect the power cord.
7 Turn on the projector by 

pressing the power cord.

Caution:

1 The dust proof is optional function depend on users.
2 Once you decide to implement the dust proof function, please 

ensure that both top and bottom dust filters are properly 
installed. Otherwise there will be a warning sound and the 
projector can not be turned on.