User's Manual

6
Cautions for Safe Operation
Handling of the unit
Be careful not to spill water or other liquids on the unit. Be cautious not to get
combustible or metallic material inside the body. If used with foreign matter inside, the
device is liable to fail or to get cause of fire or electric shock.
Remove dust or dirt on the surface of the lens with a blower.
Use a dry soft cloth to clean the body. If it is very dirty, use a cloth dampened with a
small quantity of neutral detergent then wipe dry.
Avoid the use of volatile solvents such as thinners, alcohol, benzene and insecticides.
They may damage the surface finish and/or impair the operation of the
device.
Operating and storage location
Avoid viewing a very bright object (such as light fittings) during an extended period.
Avoid operating or storing the unit in the following locations.
• Extremely hot or cold places (operating temperature from -10 °C to 50 °C, however,
we recommend that the unit be used within a temperature range from 0 °C to 45 °C)
Damp or dust place
Places exposed to rain
Places subject to strong vibration
Close to generators of powerful electromagnetic radiation such as radio or TV
transmitters.