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4-10 Others
1. Function Inspection
General
Factory Default
Display Size
Display Data Channel (DDC)
2. Check points for exterior and print pattern
Check item
Text & Pattern
Exterior
Buttons
Focus Ring
Logo
Screw
Plastic parts
Connector
- All OSD functions must be checked for functionality.
When OSD menu is displayed, there shall be no visible
peaking, ringing, streaking, or smearing artifacts on the
screen.
- The factory settings (with appropriate centering, size,
geometry distortion, etc.) shall be displayed upon "Re-
call" which is selected from OSD
- All preset modes shall expand to full screen size using
OSD Horizontal and Vertical Size controls
- The purpose of the DDC test is to verify the DDC1/
DDC2 operation of the projector and to verify Plug &
Play function.
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 sure be fixed and in right type.
All plastic parts can not be broken and damaged.
All interface connector should be complete and workable
DV20
Confidential
4-9
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