Hitachi CMP4121HDU-511 Manuel Utilisateur page 42

TROUBLESHOOTING (continued)
Text displayed across the screen appears blurred in its entirety (figure 2).
Symptom 2
A fine pattern flickers when displayed on the screen (figure 3).
Figure 2
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
streak pattern across the screen.)
12) Press
26
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABCDEFGHIJ
abcdefgABCDEFGabcd
to open the DISPLAY MENU.
to choose AUTO ADJUST.
. (ADJUST OK)
to open the DISPLAY MENU.
to choose MANUAL ADJUST.
to open the MANUAL ADJUST MENU.
several times to choose PHASE.
(Adjust the phase by displaying a fine pattern, such as a character string, or vertical
or to make the text appear
clean across the screen.
Figure 3
Before adjustment
ABC ABC
After adjustment
ABC
several times to choose DISPLAY.
several times to choose DISPLAY.
12) Press
without flickering.
Before adjustment
After adjustment
or to make the text appear