Hitachi ED-X20 User Manual page 56

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu
function or the remote control.
The computer cannot detect the projector as a plug
No pictures are
and play monitor.
displayed.
(continued)
Make sure that the computer can detect a plug and play
monitor using another plug and play monitor.
The BLANK screen is displayed.
Press the BLANK button on the remote control.
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.
Perform picture adjustments by changing the COLOR
Colors have a
TEMP, COLOR, TINT and/or COLOR SPACE settings,
faded- out
using the menu functions.
appearance, or
Color tone is
COLOR SPACE setting is not suitable.
poor.
Change the COLOR SPACE setting to AUTO, RGB,
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 appear
The WHISPER function is working.
dark.
Select BRIGHT 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.
Adjust the focus using the focus ring, and/or H PHASE
Pictures appear
using the menu function.
blurry.
The lens is dirty or misty.
Clean the lens referring to the section "Caring for the lens".
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.
56
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Cases not involving a machine defect
Troubleshooting
Reference
page
21, 23
9
9
9
21, 24,
8
8
21, 23
22, 32
48
16, 27
5