Acer K130 Series, Руководство по обслуживанию

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Confidential
4-12
K130
artifacts on the screen.
Factory Default - The factory settings (with appropriate centering,
size, geometry distortion, etc.) shall be displayed
upon “Recall” is selected from OSD.
Display Size - All preset modes shall expand to full screen size
using OSD Horizontal and Vertical Size controls.
Display Data Channel - The purpose of the DDC test is to verify the
(DDC)
DDC1/DDC2B operation of the projector and to
verify Plug & Play function.
Acoustic - High pitch sound from cooling fan and color wheel is
unacceptable.
2. Check points for exterior and print pattern
Check item Check point
Text & Pattern
Missing letters & pattern or blurry prints are
unacceptable.
Exterior
Dirt, scrape, water ripples and uneven color are
unacceptable.
Focus ring Focus ring is functioning smoothly.
Logo
Missing logo, missing prints and blurry prints are
unacceptable
Screw
All screws should be fixed and in right type.
Pedestal Well-functioned
Plastic Parts All plastic parts can not be broken and damaged.
Safety or warning
label
All safety and warning labels should be visible,
including all contents.
Connector
All interface connectors should be complete and
workable.