Acer PB8220 Projector User Manual


 
Troubleshooting
25
BenQ PB8220 User’s Guide
TROUBLESHOOTING
Common Problems & Solutions
PROBLEMS TRY THESE SOLUTIONS
NO POWER
Make sure the power cord is inserted snuged into the AC adapter
socket.
Make sure the power cord is inserted snuged into the power
outlet.
Toggle the power switch to the position “1”.
Wait two minutes after the projector is turned off before turning
the projector back on.
NO PICTURE
Check for the proper input source.
Ensure all cables are connected properly.
Adjust the brightness and contrast.
Remove the lens cap.
TRAPEZOID
IMAGE ON
THE SCREEN
Reposition the unit to improve its angle on the screen.
•Use the Keystone correction key on the control panel of the
projector or the remote control unit.
POOR COLOR
Select the correct video system.
Adjust brightness, contrast, or saturation.
BLURRED
IMAGE
•Press Auto on the control panel of the projector or the remote
control unit to get better picture quality.
Adjust the focus.
Reposition the unit to improve its projection angle.
Ensure the distance between the unit and screen is within the
adjustment range of the lens.
REMOTE
CONTROL
DOES NOT
WORK
Replace the batteries with new ones.
Make sure there is no obstacle between the remote control and
the projector.
Stand within 6 meters (19.5 feet) of the projector.
Make sure nothing is blocking the front and rear receivers.