Benq SX914 Manuel Du Propriétaire

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Operation
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Using the test pattern
The projector is capable of displaying the grid test 
pattern. It can be used to assist you with the 
adjustment of image size and focus, ensuring that 
the projected image is free from distortion.
To display the test pattern, open the OSD menu 
and go to the SYSTEM SETUP: Advanced > 
Test Pattern and press  /  to select On.