User guide

34ViewSonic PJ658D
Symptom Cause Measure
Image is out
of focus.
The lens focus is not
adjusted optimally.
Adjust the focus with the focus ring.
The projection distance is
not within the projector’s
supported range.
Place the projector within the supported
range.
Remote
control
doesn’t work.
The batteries could be weak. Replace with a new set of batteries.
The polarity is not correct. Install the batteries with correct polarities.
The remote control is not
being used within the
effective range.
Use the remote control within the effective
range.
There are some obstructions
between the remote control
and projector.
Check that there are not obstructions
between the remote control and projector.
There are some uorescent
or other bright lights shining
at the projector’s infrared
remote
Check that there are not any uorescent or
other bright lights shining at the projector’s
infrared remote sensor.
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