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Problems With The Projector - Acer U5220 Series User Manual

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38
9
Image is too small
or too large
10
Image has slanted
sides
11
Image is reversed

Problems with the Projector

#
Condition
1
The projector stops responding
to all controls
2
Lamp burns out or makes a
popping sound
Adjust the zoom lever on the top of the projector.
Move the projector closer to or further from the
screen.
Press "MENU" on the control panel or remote
control. Go to "Image" > "Aspect Ratio" and try
different settings.
If possible, reposition the projector so that it is
centered on the screen and below the bottom of the
screen.
Press the Keystone correction keys on the control
panel or remote control until the image becomes
square.
Press "MENU" on the control panel or remote
control to open the OSD menu. Go to "Image" > "H/
V Keystone" or "Image" > "4 Corner Correction" to
make adjustments.
Select "Image" > "Projection" on the OSD and adjust
the projection direction.
If possible, turn off the projector, then
unplug the power cord and wait at least 30
seconds before reconnecting power.
When the lamp reaches the end of its useful
life, it will burn out and may make a loud
popping sound. If this happens, the projector
will not turn on until the lamp module has
been replaced. To replace the lamp, follow
the procedures in the "Replacing the Lamp"
section.
Solution

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