ViewSonic LITE BIRD PJ875 Service Manual page 86

Micro portable projector
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c® Press Menu button to enter Image function:
- To select Auto image ON and make sure there is no noise occurring.
c® Press Menu button to enter Projection function :
- Select Front Ceiling function and press Enter button.
Make sure the image is upside-down.
- Select Rear Ceiling function and press Enter button.
Make sure the image is up-down and left-right reversed.
- Select Rear Desktop function and press Enter button.
Make sure the image is left-right reversed.
- Select Front Desktop function and press Enter button.
Make sure the image is normal.
c® Press Zoom In and Zoom Out buttons on the remote controller :
- Make sure the image can be scaled up and down.
c® Dark/ R/ G/B
Pattern :
- Make sure the number of dot defect is compliant with the specification.
c® Blue 180 Pattern :
- Make sure there is no any dark blemish dot.
c® Gray 30 Pattern :
- Make sure there is no any bright blemish dot.
5) Function Test Ill :
(Please note : this function test only be used when you replace a new lamp.)
c® Full White Pattern :
- Measure the luminance at the center of image. It should be above 550 ANSI
Lumen.
c® Press T T <— (up, up, left) buttons on Optoma logo pattern (no signal) to
enter Service OSD :
- Select Factory set and press Enter button to zero the lamp life.
6) Outward Inspection :
c® Scratch :
- Width < 0.2mm
- Length < 2.5mm
ViewSonic Corporation _
: Confidential - Do Not Copy .

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