3M X90W User Manual download pdf (Page 70)

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.

26, 27

The WHISPER function is working.

Select NORMAL for the WHISPER item in the SETUP

menu.

26, 37

The lamp is approaching the end of its product

lifetime.

Replace the lamp.

59, 60

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.

20, 31

The lens is dirty or misty.

Clean the lens referring to the section “Caring for the lens”.

Pictures are

trembling.

The exhaust ventilation holes at front is blocked by

some objects.

Remove any objects from front side of the projector.

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.

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3M X90W User Manual Page 70