Actions To Correct Abnormal Displays - Hitachi CMP4121HDU-511 Manuel Utilisateur

Actions to Correct Abnormal Displays

Depending on the kind of system equipment used, images may not be displayed
normally. In this case, make the adjustments suggested below.
Text displayed across the screen appears vertically streaked, with some characters blurred
Symptom 1
(figure 1).
The display image appears flowing (figure 2) (RGB input).
Figure 1
Example
1) Press MENU button to open the MAIN MENU.
2) Press SELECT button
3) Press
4) Press
5) Press
(Adjust the by displaying a fine pattern, such as a character string, or vertical streak
pattern across the screen.)
If AUTO ADJUST does not work well.
6) Press MENU button to open the MAIN MENU.
Adjustment
7) Press SELECT button
procedure
8) Press
9) Press
10) Press
11) Press
(Adjust the clock by displaying a fine pattern, such as a character string, or vertical streak
pattern across the screen.)
12) Press
13) If the text appears blurred across the screen, make the adjustment instructed in
Symptom 2.
• The display image may be momentarily disturbed during clock adjustment but this is not a
failure.
Vertical
streaks
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABC
After adjustment
All characters appear
crisp now.
several times to choose DISPLAY.
to open the DISPLAY MENU.
to choose AUTO ADJUST.
. (ADJUST OK)
several times to choose DISPLAY.
to open the DISPLAY MENU.
to choose MANUAL ADJUST.
to open the MANUAL ADJUST MENU.
several times to choose CLOCK.
or to make the text appear uniform across the screen.
Before adjustment
Some characters
are blurred.
ABC B
ABC ABC
After adjustment
All characters are
blurred.
25