3-2
IM CA71-E
3. Before Starting Source/Measurement
● Before cleaning the instrument’s case or operation panel disconnect
the power cord plug from the wall outlet if you are using an AC adapter.
Use a soft, clean cloth soaked in water and tightly squeezed to gently
wipe the outer surfaces of the instrument. Ingress of water into the
instrument can result in malfunction.
● If you are using an AC adapter with the instrument and will not use
the instrument for a prolonged period, disconnect the power cord plug
from the wall outlet.
● For handling precautions regarding the batteries, see “Installing or
Replacing the Batteries” on page 3-3.
● Never use the instrument with the cover of the battery holder opened.
■ Environmental Requirements
Use the instrument in locations that meet the following
environmental requirements:
• Ambient temperature and humidity
Ambient temperature range: 0 to 50°C
Ambient humidity range: 20 to 80% RH. Use the instrument
under non-condensing condition.
• Flat and level locations
• Indoors
• Operating altitude 2000 m or less
Do not use the instrument in locations that are:
• Outdoors
• exposed to direct sunlight or close to any heat source;
• exposed to water or other liquids;
• exposed to frequent mechanical vibration;
• close to any noise source, such as high-voltage equipment or
motive power sources;
• close to any source of intensive electric or electromagnetic elds;
• exposed to large amounts of greasy fumes, hot steam, dust or
corrosive gases;
• unstable; or
• exposed to a risk of explosion due to the presence of ammable
gases.
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