BenQ Portable Series User Manual page 64

Cause
The projector is not
correctly connected to
the input signal device.
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 focus and auto
2D keystone functions
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.
Check the connection.
Select the correct input signal with the
Adjust the focus of the lens. See
the image clarity" on page
Adjust the projection angle and direction as well
as the height of the projector if necessary.
Try to move and lift up the projector a little bit.
Replace both of the batteries with new ones.
Remove the obstacle.
Stand within 8 meters (26 feet) of the projector.
64
Remedy
Remedy
"Fine-tuning
36.
Remedy
key.