Nortel Networks 7420 manual Checking battery capacity

Models: 7420

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If the handset is turned off when placed in charger, only the LED indicates the charging. When handset is turned off, the LED flashes at a low frequency while charging and lights constantly when the charging is finished. There will be no reaction for incoming calls.

If the handset is turned on when charging, the display shows the charging status. The display goes back to normal mode when fully charged. It will not vibrate. Auto-answer is inactive. The handset reacts normally for incoming calls.

It is necessary to recharge the battery when the display shows BATTERY LOW, or if the handset cannot be turned on. When the battery is fully discharged, up to 10 minutes may pass before charging begins (display lights up). When the charger begins the charging, status is shown in the display if the handset is turned on.

Checking battery capacity

In the BATTERY MENU it is possible to see the remaining battery capacity.

For reading the correct capacity, the handset has to be removed from the charger for at least one hour.

1Press MENU ( ) and use the < or > keys to reach the BATTERY MENU.

2Press OK to enter the BATTERY MENU, and see the current status of the battery capacity.

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Nortel Networks 7420 manual Checking battery capacity