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50ViewSonic PJ656
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.
25
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP
menu.
25
The lamp is approaching the end of its product
lifetime.
Replace the lamp.
40, 41
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.
30
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
44
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.