Nortel Networks Passport 7420 - Manual (Page 7)

7
Installing battery
The battery is connected to the hand-
set when it is shipped from the fac-
tory.
1 To change the battery press down
the back cover and push it 5 mm
towards the headset plug.
2 Lift off back cover.
3 Place the battery plug in the slot
in the battery box.
4 Insert battery with the label
readable.
5 Replace back cover.
Charging battery
When charging the battery for the first
time, it is necessary to leave the
handset in the charger for 14-16
hours for the battery to be fully
charged.