Nortel Networks 413X Telephone User Manual


 
42
non-approved parts cannot be guar-
anteed and may even cause damage.
Power failure
In the event of a power failure or flat
battery, you cannot use the handset
to make or receive calls
Battery Precautions
1. Periodically clean the charge con-
tacts on both the charger and
handset.
2. Exercise care in handling batteries
in order not to short the batteries
with conducting materials such as
rings, bracelets, and keys. The
batteries or conducting material
may overheat and cause burns or
fire
3. Do not open or mutilate the batter-
ies, released electrolyte is corro-
sive and may cause damage to the
eyes or skin. The electrolyte may
be toxic of swallowed.
4. During charging batteries heat up.
This is normal and not dangerous
5. Do not use non-Nortel charging
devices. This could damage the
batteries
Notices
Before installing this equipment,
users should ensure that it is permis-
sible to be connected to the facilities
of the local telecommunications com-
pany. The equipment must also be
installed using an acceptable method
of connection. The customer should
be aware that compliance with the
above conditions may not prevent
degradation of service in some situa-
tions.
Repairs to certified equipment should
be coordinated by a representative
designated by the supplier. Any
repairs or alterations made by the
user to this equipment, or equipment
malfunctions, may give the telecom-
munications company cause to
request the user to disconnect the
equipment.