The price of projector and compare before, it is cheap really many, nevertheless, the umbriferous bulb that regards projector as material of main bad news still did not fall how oldly, exorbitant price lets us more should well the bulb with existing care, want to put an end to mistake of a few avoidable to operate especially, it is OK to because if do not try,notice it,have the umbriferous bulb that can let you discards as useless one-timely.

Current, major projector is use metal haloid bulb (Metal Halide) , when opening position, two upright voltage maintain bulb in 60 - 80V left and right sides, the atmospheric pressure inside bulb every square centimeter be more than10kg, temperature is as high as on 1000 degrees, filament is in half frit condition. Accordingly, forbidden in switch on the mobile phone to shake below condition or be moved move projector, bulb is otherwise possible dissilient.

Power supply cannot be blocked immediately after disuse additionally, should wait medicinal powder after heat is finished stop automatically machine. Projector is coming loose cut off the power when hot condition reach short time to repeat switch on the mobile phone the damage that cause is projector one of reasons of the commonnest breakdown. Contrarily, switch plane number reduces inside short time beneficial to prolonging bulb life also.

Should prevent wrong operation or undesirable use habit causes projector bulb trouble, the following respects need to notice:

1, projector works medium or just should not be acuteness and oscillatory when extinguish machine

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