X2 Service Manual 43
Audio from DVD player
Connect the audio cable to the
projector.
Verify that the audio system produces clear sound.
Verify that the volume controls function properly
Software Version / Keystone
/ Reset All
1. Press and hold the
Keystone up and
Keystone down
button on the keypad.
2. Press the Menu
button. Navigate to
the Settings menu.
Select Service. In
Service menu, select
Service Info. In the
About message box,
check the software
version.
3. Return to the Service
menu. Select Factory
Reset. Press the
menu button to close
the menus.
Verify the keys function properly and are not sticky.
Verify that the lamp hours are well within normal life range.
Verify that the projector uses the current software version.
The next step is to observe 3
computer images. These will
confirm that the computer
input works properly, and will
test image quality.
On the keypad, press the
Source Select button to
select Computer.
Verify that the images project synchronize properly through both of the
following inputs:
M1 Analog
M1 Digital
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.
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.
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