RCA M39 series - Manual (Page 3)

This equipment is a Class II or double insulated electrical appliance. It has been designed
in such a way that it does not require a safety connection to electrical earth.
Important battery information
Warning: Your product contains a battery and charging system which is designed to work in temperatures
that do not exceed 50°C (122°F). Leaving this product in a closed automobile or the trunk of an automobile
where temperatures may exceed 50°C may result in permanent battery damage, fi re, or explosion. Please
remove your product from the automobile when you exit, do not place your product in the trunk of your
automobile, and do not leave your product in any location where temperatures may exceed 50°C or expose to
direct sunlight.
Ecology
Help protect the environment - we recommend that you dispose of used batteries by putting them into
specially designed receptacles.
Precautions for the unit
• Do not use the unit immediately after transportation from a cold place to a warm place; condensation
problems may result.
• Do not store the unit near fire, places with high temperature or in direct sunlight. Exposure to direct
sunlight or extreme heat (such as inside a parked car) may cause damage or malfunction.
• Do not expose to rain or moisture.
• Clean the unit with a soft cloth or a damp chamois leather. Never use solvents.
• The unit must only be opened by qualified personnel.
Headset safety
To use a headset safely, please keep the following in mind:
•
Do not play your headset at a high volume. Hearing experts advise against continuous extended play.
• If you experience ringing in your ears, turn down the volume or stop using the headset.
• Do not use a headset while driving a motorized vehicle or riding a bike. It may cause a traffic hazard and
is illegal in many areas.
• Even if your headset is an open-air type designed to let you hear outside sounds, don’t turn up the
volume so high that can’t hear sounds around you.
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