Optoma HIGH-END - Manual (Page 8)

Usage Notice
6
Do:
 Turn off the product before cleaning.
 Use a soft cloth moistened with mild detergent to clean the
display housing.
 Disconnect the power plug from AC outlet if the product is
not being used for a long period of time.
Don’t:
 Block the ventilation slots and openings on the unit.
 Use abrasive cleaners, waxes or solvents to clean the unit.
 Use under the following conditions:
- In extremely hot, cold or humid environments.
- In areas susceptible to excessive dust and dirt.
- Near any appliance that generates a strong magnetic fi eld.
- In direct sunlight.