48
Troubleshooting
•
Adjust the resolution of your monitor if it’s greater than
1024x768 pixels for the 720 or 1280x1024 for the 730. Only these
resolutions at 75 Hz or less will display on the projector.
Problem: Image is out of focus
•
Turn the projection lens to focus the image.
•
Make sure the projection screen is at least 4 feet (1.2m) from the
projector.
•
Check the projection lens to see if it needs cleaning.
Problem: Image and menus are reversed left to right
•
Rear projection mode is probably turned on. Switch back to for-
ward projection from the Controls menu. The image should
immediately return to forward projection. See “Rear Projec-
tion” on page 38.
Problem: Image and menus are upside down
•
Ceiling mode is probably turned on. Turn off the mode from
the Controls menu. The image should immediately return to
forward projection. See “Ceiling” on page 38.
Problem: the projector displays vertical lines, “bleeding” or spots
•
Adjust the brightness. See “Brightness” on page 27.
•
Check the projection lens to see if it needs cleaning.
Problem: no sound
•
Press the mute button.
•
Adjust volume.
•
Verify audio/input connections.
•
Adjust audio source.
Downloaded From projector-manual.com Boxlight Manuals
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