Hitachi CP-D10 User Manual page 72

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Pictures appear
dark.
Pictures appear
blurry.
When the
ASPECT is
set to NATIVE,
PICTURE
POSITION does
not work even if
the vertical size
of the displayed
image does not
fit visually on
the effective
display area.
RS-232C does
not work.
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
The brightness and/or contrast are adjusted to an
extremely low level.
Adjust the BRIGHTNESS and/or the CONTRAST settings to
a higher level using the menu function.
The ECO MODE function is working.
Select the NORMAL for the ECO MODE 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 the H PHASE
using the menu function.
The lens is dirty or misty.
Clean the lens referring to the section "Caring for the lens".
Vertical resolution of the input signal is equal to or
more than the vertical resolution of display area that is
determined by 1.5 x D-ZOOM adjustment value.
Change input signal resolution or/and D-ZOOM adjustment
value so that vertical resolution of the input signal is less
than 1.5 x D-ZOOM adjustment value (
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
Troubleshooting
34).
Reference
page
26
34
53, 54
18, 30
56
34
35
63