Boxlight CD-550m ユーザーズマニュアル
42
M
a
i
n
t
e
n
a
n
c
e
&
T
r
o
u
b
l
e
s
h
o
o
t
i
n
g
Problem: Image is “noisy” or streaked
Try these steps in this order.
Try these steps in this order.
1
Deactivate the screen saver on your computer.
2
Turn
Auto Image
off and then back on again. See “Auto
3
Adjust the synchronization and tracking manually to find an
optimal setting. See “Manual Sync” on page 28 and “Manual
Tracking” on page 29.
optimal setting. See “Manual Sync” on page 28 and “Manual
Tracking” on page 29.
•
The problem could be with your computer’s video card. If
possible, connect a different computer.
Problem: Projected colors don’t match the computer or video
player’s colors
player’s colors
•
Just as there are differences in the displays of different moni-
tors, there are often differences between the computer image
and the projected image. Adjust the brightness, tint and/or
contrast from the Display menu. See “Brightness” on page 25,
“Tint” on page 25 and “Contrast” on page 25.
and the projected image. Adjust the brightness, tint and/or
contrast from the Display menu. See “Brightness” on page 25,
“Tint” on page 25 and “Contrast” on page 25.
Problem: Lamp seems to be getting dimmer
•
The lamp begins to lose brightness when it has been in use for
a long time. Replace the lamp as described in “Replacing the
Projection Lamp” on page 35.
Projection Lamp” on page 35.
Problem: Lamp shuts off
•
A minor power surge may cause the lamp to shut off. Turn the
projector off, wait at least a minute, then turn it back on.
Before calling Boxlight for assistance, please have the following
information available:
information available:
•
the projector’s serial number (located on the bottom label)
•
the resolution of your computer.
Call Boxlight at
1-800-762-5757
.