Optoma EP1080 Service Manual page 54

Acoustic
2. Check points for exterior and print pattern
Check item
Text & Pattern
Exterior
Buttons
Focus Ring
Logo
Screw
Elevator
Pedestal
- High pitch sound from cooling fan and color wheel is
unacceptable.
Check point
missing letters & pattern or blurry prints are unacceptable.
dirt, scrape, water ripples and uneven color are unacceptable.
stuck buttons are unacceptable.
Focus ring is functioning smoothly.
missing logo, missing prints and blurry prints are unacceptable
All screws should be fixed and in right type.
Elevator is well-functioned.
Stuck key is unacceptable.
well-functioned
EP1080 Series Confidential
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