Bedienungsanleitung Acer DWU1902 (Seite 4 von 73) (Englisch)

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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 qualied service personnel.

Unplug this product from the wall outlet and refer servicing to qualied service personnel when:

y the power cord or plug is damaged, cut or frayed

y liquid was spilled into the product

y the product was exposed to rain or water

y the product has been dropped or the case has been damaged

y the product exhibits a distinct change in performance, indicating a need for service

y 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 qualied 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

y Do not look into the projector’s lens when the light is on. The bright may hurt your eyes.

y Turn on the projector rst and then signal sources

y Do not place the product in following environments:

y Space that is poorly ventilated or conned. At least 50cm clearance from walls and free ow of air around the

projector is necessary.

y Locations where temperatures may become excessively high, such as inside of a car with all windows rolled up.

y Locations where excessive humidity, dust, or cigarette smoke may contaminate optical components,

shortening the life span and darkening the image.

y Locations near re alarms.

y Locations with an ambient temperature above 40ºC / 104ºF.

y Locations where the altitudes are higher than 10000 feet.

y 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 re or electric shock. In this case, unplug immediately and

contact your dealer.

y Do not keep using this product to break or drop it. In this case contact your dealer for inspection.

y Do not face the projector lens to the sun. It can lead to re.

y When switching the projector o, suggest to ensure the projector completes its cooling cycle before

disconnecting power.

y Do not frequently turn o the main power abruptly or unplug the projector during operation. The best way is to

wait for the fan to turn o before turning main power o.

y Do not touch air outlet grille and bottom plate which becomes hot.

y Do not look into the air outlet grille when projector is operating. It may hurt your eyes.

y Always open the lens shutter or remove the lens cap when the projector is on.

y 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 re.

y Do not attempt to disassemble this projector. There are dangerous high voltages inside which may hurt you.

Refer servicing only to suitable qualied professional service personnel.

y Do not stand the projector on end vertically. It may cause the projector to fall over, causing injury or damage.

y 360° projection capability

Images can be projected over a full 360° range along the vertical axis, including reproduction on a ceiling or oor.

360º

Note: The brightness will be reduced 80% when the projection direction is downward.

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Acer DWU1902 Seite 4

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