4-9 Others
1. Functional Inspection
Keypad button - All keypad buttons must operate
smoothly.
General - All OSD functions must be checked
for functionality. When OSD menu
is displayed, there shall be no vis-
ible peaking, ringing, streaking, or
smearing artifacts on the screen.
Factory Default - The factory settings (with appropri-
ate centering, size, geometry distor-
tion, 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 (DDC) - The purpose of the DDC test is to
verify the DDC1/DDC2B operation
of the projector and to verify Plug &
Play function.
Acoustic - High pitch sound from cooling fan
and color wheel is unacceptable.
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