switel WTF 729, Руководство по эксплуатации

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Safety Information
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1 Safety Information
Please read this operating instruction manual thoroughly.
Intended use
These walkie−talkies have been conceived for communication with
other walkie−talkies complying to the same standards. Any other use
is considered unintended use. Unauthorised modification or recon-
struction is not permitted. Under no circumstances open the devices
or complete any repair work yourself.
Installation location
Prevent excessive exposure to smoke, dust, vibration, chemicals,
moisture, heat and direct sunlight.
Do not use the devices in potentially explosive areas.
Power adapter plug
Attention: Only use the power adapter plug supplied be-
cause other power supplies could damage the devices.
Ensure access to the power adapter plug is not obstruc-
ted by furniture or such.
Rechargeable batteries
Attention: Never throw batteries into a fire. Only use
batteries of the same type. Pay attention to correct pola-
rity. Incorrect polarity of the batteries represents a risk of
explosion during charging.
Medical equipment
Attention: Never use the walkie−talkies in the vicinity of
medical equipment. Effects on such equipment cannot
be fully ruled out. Walkie−talkies can cause an unpleasant
humming sound in hearing aids.