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.

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Nortel Networks 414X manual Power failure, Battery Precautions