Nec MT1040 User Manual download pdf (Page 34)

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2. Remove both old batteries and install new ones (AA). Ensure that

you have the batteries' polarity (+/–) aligned correctly.

3. Slip the cover back over the batteries until it snaps into place.

Remote Control Battery Installation

1. Press firmly and slide the battery cover off.

RCE AUTO ADJUST

USB

AC IN

Cleaning or Replacing the Filters

The air-filter sponge keeps the inside of the MultiSync MT840/

MT1040/MT1045 Projector free from dust or dirt and should be

cleaned after every 100 hours of operation (more often in dusty con-

ditions). If the filter is dirty or clogged, your projector may overheat.

CAUTION

• Turn off the power and unplug the projector before re-

placing the filter.

• Only clean the outside of the filter cover with a vacuum

cleaner.

• Do not attempt to operate the projector without a filter

cover.

• Your projector will not operate unless the filter cover is

installed correctly.

To clean the air-filter:

Vacuum the filter-through the filter cover.

AC IN

SOURCE AUTO ADJUST

USB

AC IN

To replace the air-filter:

1. Remove the filter cover by pushing up on the catch of the cover

until you feel it detach.

2. Reinstall the new filter cover.

NOTE: Do not detach the sponge from the filter cover. Do not wash

the filter cover with soap and water. Soap and water will damage the

the filter membrane. Before replacing the filter cover, remove dust

and dirt from the projector cabinet. Keep out dust and during filter

replacement.

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Nec MT1040 User Manual Page 34