TDP-P9 26
(2) Operation test
Buttons operation
Button description Test criteria
Power button
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press “power” button and projector will switch on
Menu/Enter
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button.
2. Press Menu/Enter button can make projector function normally.
4-way button
(Keystone/Auto/Source)
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the 4-way button.
2. Press Menu/Enter button can make projector function normally.
Foot adjuster operation
Foot adjuster. Test criteria
Foot adjuster button
Foot adjusters should stretch downward smoothly by pressing the foot
adjuster buttons on the two sides
Zoom ring and Focus ring
Ring Test criteria
Zoom ring
Mechanical motion of rotating Zoom ring to the end of right and left by
hand should be free from getting stuck.
Focus ring
The feeling of rotating Focus ring to the end of right and left by hand
should free from seizing
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