Acer C20 User Manual - Page 2

English ii Using electrical power • This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company. • Do not allow anything to rest on the power cord. Do not locate this product where people will walk on the cord. • If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed the fuse rating. • Do not overload a power outlet, strip or receptacle by plugging in too many devices. The overall system load must not exceed 80% of the branch circuit rating. If power strips are used, the load should not exceed 80% of the power strip's input rating. • This product's AC adapter is equipped with a three-wire grounded plug. The plug only fits in a grounded power outlet. Make sure the power outlet is properly grounded before inserting the AC adapter plug. Do not insert the plug into a non-grounded power outlet. Contact your electrician for details...Warning! The grounding pin is a safety feature. Using a power outlet that is not properly grounded may result in electric shock and/or injury...Note: The grounding pin also provides good protection from unexpected noise produced by other nearby electrical devices that may interfere with the performance of this product. • Use the product only with the supplied power supply cord set. If you need to replace the power cord set, make sure that the new power cord meets the following requirements: detachable type, UL listed/CSA certified, VDE approved or its equivalent, 4.6 meters (15 feet) maximum length. 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 may hurt your eyes. • Turn on the projector first and then signal sources • Do not place the product in following environments: • Space that is poorly ventilated or confined. At least 50cm clearance from walls and free flow of air around the projector is 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, shortening the life span and darkening 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, suggest to ensure the projector completes its cooling cycle before disconnecting power. • Do not frequrntly turn off the mail power abruptly or unplug the projector during operation. The best way is to wait for the fan to turn off before turning main power off. • Do not touch air outlet grille and bottom plate which becomes hot. • Clean the air filter frequently if have. The temperature inside may rise and cause damage when the filter/ventilation slots clogged with dirt or dust.