BenQ Portable Series User Manual page 58

Cause
The input signal has not
been correctly selected.
Blurred image
Cause
The projection lens is
not correctly focused.
The projector and the
screen are not aligned
properly.
The auto vertical
keystone function did
not work.
Remote control does not work.
Cause
The batteries are out of
power
There is an obstacle
between the remote
control and the
projector.
You are too far away
from the projector
Screen brightness adjustment.
Cause
The screen is not as
bright as expected.
Select the correct input signal with the
Adjust the focus of the lens.
See "Fine-tuning the image clarity" on page
Adjust the projection angle and direction as well
as the height of the projector if necessary.
Adjust the projection angle.
Replace both of the batteries with new ones.
Remove the obstacle.
Stand within 8 meters (26 feet) of the projector.
The screen brightness is changed by the light
source mode.
Check the light source mode from Power Mode.
Choose Normal to have the full light source
brightness. Note that this option also consumes
more power than other options.
56
Remedy
Remedy
Remedy
Remedy
key.
34.