Information for your safety and comfort H series Acer H7850

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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 
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