Benq VP150X 用户手册

18   English

Refer to page 11.

Follow the steps below to clean the projection lens:

1.

Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth (abrasive cleaners, solvents or
other harsh chemicals might scratch the lens).

2.

Avoid using an excessive amount of cleaner.

3.

Lightly wipe the clean cloth over the lens.

4.

Affix the lens cover whenever the projector is not in use.

PROBLEMS

TRY THESE SOLUTIONS

y Plug the power cord into the AC Inlet.
y Plug the power cord into the power Inlet.
y Wait for 2 minutes after the projector is turned off before turning the

projector back on.

y Check if you select the proper input source.
y Ensure all cables are connected properly.
y Adjust the brightness and contrast. 
y Remove the lens cap.
y Is the POWER indictor flashing?
y Is the STATUS Indicator flashing?

y Reposition the unit to improve its angle on the screen.
y Is the vertical offset properly corrected by using the keystone function?

y Select the correct video system.
y Adjust brightness, contrast, or saturation.

y Adjust the focus. 
y Reposition the unit to improve its screen angle.
y Ensure the distance between the unit and screen is within the adjustment range

of the lens.

y Replace the batteries with new ones.
y Make sure there is no obstacle between the remote control and the unit.
y Stand within 4 meters (13 feet) of the unit.
y Make sure nothing is blocking the receiver on the control pad.

y Check audio cable connection from audio input source. 
y Adjust audio source.
y Press “Volume” (+) button.
y Press “Mute” button.

4