InFocus DP8000 Service Manual page 70

button.
Manually select a connected source.
Software Version / Lamptime Used
On the keypad, press the Menu button.
Navigate through the Basic menu to the
Setup menu.
Navigate to the Service menu.
Select Info from the Service menu.
The next step is to observe 3 computer
images. These will confirm that the
computer input works properly, and will
test image quality.
Image #1: Focus Test Image
Turn off any local light.
Turn the zoom ring to make the
smallest image.
Focus the image so the middle icon is
clearly focused.
Focus the image on the 4 green
squares.
After focusing on the green squares on
the middle icon, turn the zoom ring to
make the largest image, then repeat the
focus tests.
Image #2: Color Ramp
Project the Color Ramp image.
DP8000/8000HB Service Manual
Verify there is no distortion, noise or other video abnormalities.
Verify software version.
Verify the keys are not sticky.
Verify that the software version is current and that the lamp is
within its service life.
Verify that the image synchronizes properly through the M1
input.
Verify that all four corner icons have clear resolution.
Verify that the white space is visible on all 5 bar/line icon areas
(between green).
Verify that the image focuses through the full zoom range.
Verify that the image remains in focus when the Image Shift
knob is turned.
Verify there are no missing parts of the ramp.
Verify that the bars are not flashing.
Verify that the transitions from light to dark are smooth and
gradual.
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