Hitachi CPX605 User Manual - Page 67

The lens is dirty or misty.

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Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Phenomenon Pictures appear dark. Pictures appear blurry. Pictures are trembling. Cases not involving a machine defect 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. The WHISPER function is working. Select NORMAL 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 using the menu function. The lens is dirty or misty. Clean the lens referring to the section "Caring for the lens". The exhaust ventilation holes at front is blocked by some objects. Remove any objects from front side of the projector. Reference page 24, 25, 26 25, 36 56, 57 19, 30 61 4 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. 67

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67
Phenomena that may be easy to be mistaken for machine defects (continued)
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 BRIGHTNESS and/or CONTRAST settings to a
higher level using the menu function.
²4, ²5,
²6
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP
menu.
²5, 36
The lamp is approaching the end of its product
lifetime.
Replace the lamp.
56, 57
Pictures appear
blurry.
Either the focus and/or horizontal phase settings are
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE
using the menu function.
±9, 30
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
6±
Pictures are
trembling.
The exhaust ventilation holes at front is blocked by
some objects.
Remove any objects from front side of the projector.
4
Troubleshooting
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.