3Com 8912H Two-Way Radio User Manual


 
57
Maintenance
Cleaning and replacing the air lter (continued)
9.
Turn the projector on and reset the lter time using the FILTER TIME item in
the EASY MENU.
►Before taking care of the air lter, make sure the power switch
is off and the power cable is not plugged in, then allow the projector to cool
sufciently. Taking care of the air lter in a high temperature state of the projector
could cause an electric shock, a burn or malfunction to the projector.
►Use only the air lter of the specied type. Do not use the projector without the
air lter or the lter cover. It could result in a re or malfunction to the projector.
►Clean the air lter periodically. If the air lter becomes clogged by dust or the
like, internal temperatures rise and could cause a re, a burn or malfunction to
the projector.
WARNING
• Please replace the air lter when it is damaged or too soiled.
• When you replace the projection lamp, please replace the air lter. An air lter
of specied type will come together with a replacement lamp for this projector.
• Please reset the lter time only when you have cleaned or replaced the air
lter, for a suitable indication about the air lter.
• The projector may display the message such as “CHECK THE AIR FLOW” or
turn off the projector, to prevent the internal heat level rising.
NOTE
(1) Press the MENU button to display a menu.
(2)
Point at the FILTER TIME using the ▼/▲ button, then press the ► button.
A dialog will appear.
(3) Press the ▲ button to select RESET on the dialog. It performs resetting
the lter time.