Acer L220R User Manual page 4

Product servicing
Do not attempt to service this product yourself, as opening or removing covers may expose you to
dangerous voltage points or other risks. Refer all servicing to qualified service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service personnel when:
• the power cord or plug is damaged, cut or frayed
• liquid was spilled into the product
• the product was exposed to rain or water
• the product has been dropped or the case has been damaged
• the product exhibits a distinct change in performance, indicating a need for service
• the product does not operate normally after following the operating instructions
Note: Adjust only those controls that are covered by the operating instructions, since
improper adjustment of other controls may result in damage and will often require extensive
work by a qualified technician to restore the product to normal condition.
Warning! For safety reasons, do not use non-compliant parts when adding or changing
components. Consult your reseller for purchase options.
Your device and its enhancements may contain small parts. Keep them out of the reach of small
children.
Additional safety information
• Do not look into the projector's lens when the lamp is on. The bright light may hurt your eyes.
• Turn on the projector first and then signal sources.
• Do not place the product in the following environments:
• Space that is poorly ventilated or confined. At least 50cm clearance from walls and free flow
of air around the projector are necessary.
• Locations where temperatures may become excessively high, such as inside of a car with all
windows rolled up.
• Locations where excessive humidity, dust, or cigarette smoke may contaminate optical
components, shorten the life span and darken the image.
• Locations near fire alarms.
• Locations with an ambient temperature above 40 ºC/104 ºF.
• 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.
• 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.
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