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©2001 Nokia Mobile Phones. All rights reserved.
Reference information
112
Barring password
The barring password is needed when using the Call barring service function (see page 79). You obtain
this password from your service provider.
■ Battery information
Your phone is powered by a rechargeable battery.
The operation and lifetime of the battery are greatly affected by how you handle it. Take good care of
the battery and follow the guidelines presented below.
Charging and discharging the battery
• A new battery's full performance is achieved only after two or three complete charge and discharge
cycles!
• The battery can be charged and discharged hundreds of times but it will eventually wear out. When
the operating time (talk-time and standby time) is noticeably shorter than normal, it is time to buy
a new battery.
• Use only batteries approved by the phone manufacturer and recharge your battery only with the
chargers approved by the manufacturer.
• When a charger is not in use, disconnect it from the power source. Do not leave the battery
connected to a charger for longer than a week, since overcharging may shorten its life. If left
unused a fully charged battery will discharge itself over time.
• For good operation times, discharge the NiMH battery from time to time by leaving your phone
switched on until it turns itself off. Do not attempt to discharge the battery by any other means.
• Temperature extremes will affect the ability of your battery to charge: allow it to cool down or
warm up first.