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57
ENGLISH
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
• Although bright spots or dark spots ma appear on the screen, this is
a unique characteristic of liquid crystal displays. And performing some function
(changing a mode, adjusting the sharpness or position, etc.) may cause a certain
noise on the screen. These phenomena do not constitute or imply a machine defect.
NOTE
Phenomenon Cases not involving a machine defect
Reference
page
Pictures are
displayed, but
no sounds are
heard.
Sounds are
heard, but no
pictures are
displayed.
Colors have a
faded- out
appearance, or
Color tone is
poor.
Pictures appear
dark.
Pictures appear
blurry.
The signal cables are not correctly connected.
Correctly connect the connection cables.
13, 14
The volume is adjusted to an extremely low level.
Adjust the VOLUME to a higher level.
21
The sound is muted.
Press the MUTE button to restore the sound.
21
The lens cover is closed.
Remove the lens cover.
19
The signal cables are not correctly connected.
Correctly connect the connection cables.
13, 14
The brightness is adjusted to an extremely low level.
Adjust the BRIGHT to a higher level using the menu function
or the remote control.
31, 33
The computer cannot detect the projector as a plug
and play monitor.
Make sure that the computer can detect a plug and play
monitor using another plug and play monitor.
15
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR TEMP, COLOR,
TINT and/or COLOR SPAC
E settings, using the menu functions.
31, 34,
39
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,
SMPTE240, REC709 or REC601.
39
The brightness and/or contrast are adjusted to an
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a
higher level using the menu function.
31, 33
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP menu.
32, 40
The lamp is approaching the end of its product lifetime.
Replace the lamp.
47~49
Either the focus and/or horizontal phase settings are
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE
using the menu function.
24, 37
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
52
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