Planar PR Line PR9020 - Manual (Page 73)

71
Troubleshooting
• 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.
NOTE
Phenomenon Cases not involving a machine defect
Reference
page
Video screen
display freezes.
The FREEZE function is working.
Press the FREEZE button to restore the screen to normal.
21
Colors have a
faded- out
appearance, or
Color tone is
poor.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR
TEMP, COLOR, TINT and/or COLOR SPACE settings,
using the menu functions.
25, 27,
31
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,
SMPTE240, REC709 or REC601.
31
Pictures appear
dark.
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.
25, 26
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP
menu.
25, 36
The lamp is approaching the end of its product
lifetime.
Replace the lamp.
60, 61
Pictures appear
blurry.
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.
19, 30
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
65
Pictures are
trembling.
The exhaust ventilation holes at front is blocked by
some objects.
Remove any objects from front side of the projector.
4
Phenomena that may be easily mistaken for machine defects (continued)