User`s guide

Fine-tuning the Projector 63
Sleep Mode Time:
When Sleep Mode is on, you can set the
period of time before the projector turns off automatically,
from 1 to 30 minutes.
High Altitude Mode: When using the projector at an
altitude above 1,500 m (4,900 feet), turn this setting on to
ensure that the internal temperature of the projector is
regulated properly. Turn this setting off for lower elevations.
■ Standby Mode (PowerLite 280d only)
Select
Network On to allow the projector to be monitored
over a network when the projector is in standby mode (the
power light is orange).
■ Air Filter Setting
Turn on the Clean Notice setting to have the projector
display a message if its air filter becomes clogged with dust or
dirt. Select how soon you want to receive the Clean Notice
display as the
Clean Notice Timing setting; Level 1 (Early)
is best. See page 73 to clean or replace the air filter.
■ Language
Select the language to be used for the projector menus.
4. When you’re finished, press
Esc or Menu.