Getting To Know The Lamp Hour - BenQ W700 Product Service Manual

Getting to know the lamp hour

When the projector is in operation, the duration (in hours) of lamp usage is
automatically calculated by the built-in timer. The method of calculating the
equivalent lamp hour is as follows:
Total (equivalent) lamp hour
= 1 (hours used in Economic mode) + 4/2.5 (hours used in normal mode)
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