Acer A4K1720 Podręcznik użytkownika - Strona 6
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may cause the fan(s) to operate in standby mode.
•
Locations where the altitudes are higher than 10000 feet.
•
Unplug immediately if there is something wrong with your projector. Do
not operate if smoke, strange noise or odor comes out of your projector. It
might cause fire or electric shock. In this case, unplug immediately and
contact your dealer.
•
Do not keep using this product to break or drop it. In this case contact your
dealer for inspection.
•
Do not face the projector lens to the sun. It can lead to fire.
•
When switching the projector off, please ensure the projector completes
its cooling cycle before disconnecting power.
•
Do not frequently turn off the main power abruptly or unplug the
projector during operation. The best way is to wait for the fan to stop
before turning main power off.
•
Do not touch the air outlet grille and bottom plate which become hot.
•
Clean the air filter frequently. The temperature inside may rise and cause
damage when the filter/ventilation slots are clogged with dirt or dust.
•
Do not look into the air outlet grille when projector is operating. It may
hurt your eyes.
•
Always open the lens shutter or remove the lens cap when the projector is
on.
•
Do not block the projector lens with any object when the projector is
under operation as this could cause the object to become heated and
deformed or even cause a fire. To temporarily turn off the lamp, press HIDE
on the remote control.
•
Do not operate lamps beyond the rated lamp life. It could cause it to break
on rare occasions.
•
Contact your local dealer or Acer service center when you need to change
the lamp.
•
The product will detect the life of the lamp itself. Please contact your local
dealer or Acer service center for changing the lamp, when lamp warning
message displays.
•
Do not attempt to disassemble this projector. There are dangerous high
voltages inside which may hurt you.
•
Do not stand the projector on end vertically. It may cause the projector to
fall over, causing injury or damage.
•
This product is capable of displaying inverted images for ceiling mount
installation. Only use acer ceiling mount kit for mounting the projector
and ensure it is securely installed.
•
The projector should be placed in a horizontal way by means of desktop or
ceiling mount mode only, and its tilt angles should not exceed 6 degrees,
otherwise it would cause dramatical decrease of lamp life or severe safety
concern of system malfunction.
6°
6°