Acer K11 User Manual

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First things first
Usage Notes
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 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.
In areas susceptible to excessive dust and dirt.
Near any appliance that generates a strong magnetic field.
Place In direct sunlight.
Precautions
Follow all warnings, precautions and maintenance as recommended in this 
user's guide to maximize the life of your unit.
Warning:
To reduce the risk of fire or electric shock, do not expose this product to rain or 
moisture.
Please do not open or disassemble the product as this may cause electric shock.
When switching the projector off, please ensure the projector completes its cooling 
cycle before disconnecting power.
Turn on the projector first and then the signal sources.
Do not use lens cap when projector is in operation.