Boxlight CD-550m Manuale Utente
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2
Click the Settings tab.
3
Verify that the Desktop area is set to 1024x768 or less.
Also check the following:
•
Does your computer have a compatible video board? The pro-
jector isn’t CGA or EGA compatible.
•
Is your computer’s video port activated? This is especially
true for laptop computers. See “Portable and Laptop Activa-
tion Chart” on page 47.
tion Chart” on page 47.
Problem: Image is too wide or narrow for screen
•
You might need to manually adjust the tracking to reduce or
enlarge the projected image. Refer to “Manual Tracking” on
page 29.
page 29.
•
Adjust the resolution of your video card if it’s greater than
1024x768.
Problem: Image is out of focus
•
Turn the projection lens to focus the image.
•
Make sure the projection screen is at least 5 feet (1.5 m) 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. Turn Rear Projec-
tion off in the Controls menu. The image should immediately
return to forward projection. See “Rear Projection” on
page 31.
return to forward projection. See “Rear Projection” on
page 31.
Problem: the projector displays vertical lines, “bleeding” or
spots
spots
•
Adjust the brightness. See “Brightness” on page 25.
•
Check the projection lens to see if it needs cleaning.
Problem: no sound
•
Adjust volume.
•
Verify audio/input connections.
•
Adjust audio source.