Spectralink 7520 and 7540 User Guide
14158600 Version 9.0
September, 2013
71
Exposure to sunlight, heat and moisture
Do not expose the cordless phone to direct sunlight for long periods. Keep the cordless phone
away from excessive heat and moisture.
Spare parts and accessories
Use only approved spare parts and accessories. The operation of non-approved parts cannot be
guaranteed 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 contacts 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 batteries, released electrolyte is corrosive 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
Lithium cell installation Caution - Danger of Explosion if Battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer. Dispose
of used batteries according to the manufacturer’s instructions.
Notices
Before installing this equipment, users should ensure that it is permissible to be connected to the
facilities of the local telecommunications company. 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 situations.
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 telecommunications company cause to request the user to disconnect
the equipment.
Users should ensure for their own protection that the electrical ground connections of the power
utility, telephone lines and internal metallic water pipe system, if present, are connected together.
This precaution may be particularly important in rural areas
EMC:CAUTIONS: Users should not attempt to make such connections themselves, but should
contact the appropriate electric inspection authority, or electrician, as appropriate.
