Dukane 9137WU-RJ User Manual page 78

Troubleshooting
Phenomena that may be easily mistaken for machine defects (continued)
Phenomenon
The FREEZE function is working.
Video screen
display freezes.
Press the FREEZE button to restore the screen to normal.
Color settings are not correctly adjusted.
Colors have a
Perform picture adjustments by changing the COLOR TEMP,
faded- out
COLOR, TINT and/or COLOR SPACE settings, using the
appearance,
menu functions.
or
COLOR SPACE setting is not suitable.
Color tone is
Change the COLOR SPACE setting to AUTO, RGB,
poor.
SMPTE240, REC709 or REC601.
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.
Pictures
The WHISPER function is working.
appear dark.
Select NORMAL for the WHISPER item in the SETUP Menu.
The lamp is approaching the end of its product lifetime.
Replace the lamp.
Either the focus and/or horizontal phase settings are not
properly adjusted.
Pictures
Adjust the focus using the focus ring, and/or H PHASE using
appear
the menu function.
blurry.
The lens is dirty or misty.
Clean the lens referring to the section "Caring for the lens".
The OVER SCAN ratio is too big.
Some kind
Adjust OVER SCAN in the IMAGE menu smaller.
of image
Excessive VIDEO NR.
degradation
such as
Change the setting of VIDEO NR in the INPUT menu.
flickering or
The FRAME LOCK function cannot work on the current
stripes appear
input signal.
on the screen.
Set FRAME LOCK in the INPUT menu to OFF.
The exhaust ventilation holes at front is blocked by some
Pictures are
objects.
trembling.
Remove any objects from front side of the projector.
The shape of picture is not corrected appropriately.
The picture is
distorted or shifted.
Use the keystone correction or PERFECT FIT function.
NOTE
• Although bright spots or dark spots may appear on the screen, this
is a unique characteristic of liquid crystal displays, and it does not constitute or
imply a machine defect.
Cases not involving a machine defect
76
Reference
page
23
28, 30,
34
34
28
28, 40
66, 67
20, 33
70
32
34
36
4
21, 22