Hitachi CPD10WALLARM Operating Guide - Page 63

is a unique characteristic of liquid crystal displays, and it does not constitute or, imply

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

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63
Phenomenon
Cases not involving a machine defect
Reference
page
Pictures appear
dark.
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.
26
The ECO MODE function is working.
Select the NORMAL for the ECO MODE item in the SETUP
menu.
34
The lamp is approaching the end of its product lifetime.
Replace the lamp.
53, 54
Pictures appear
blurry.
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.
18, 30
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
56
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.
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 (
±
34
).
34
RS-232C does
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
35
• 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
Phenomena that may be easy to be mistaken for machine defects (continued)
Troubleshooting