Optoma EX855 - Manual (Page 4)

English
4
Usage Notice
Do:
Turn off and unplug the power plug from the AC outlet before
cleaning the product.
Use a soft dry cloth with mild detergent to clean the display hous-
ing.
Disconnect the power plug from AC outlet if the product is not be-
ing used for a long period of time.
Do not:
Block the slots and openings on the unit provided for ventilation.
Use abrasive cleaners, waxes or solvents to clean the unit.
Use under the following conditions:
In extremely hot, cold or humid environments.
Ensure that the ambient room temperature is within 5°C ~
40°C
Relative humidity is 0% ~ 85%
In areas susceptible to excessive dust and dirt.
Near any appliance generating a strong magnetic field.
In direct sunlight.
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