■ Charge the battery
Before charging the battery, carefully read “Battery
information,” p. 16.
1. Connect the charger to a wall outlet.
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2. Connect the charger cable to the
charger connector. The red
indicator light is displayed during
charging. Charging the battery
fully may take up to 1 hour 40
minutes.
3. When the battery is fully charged, the green indicator
light is displayed. Disconnect the charger from the
headset and the wall outlet.
The fully charged battery has power for up to 7 hours of talk
time, up to 150 hours of standby time, or up to 6 hours of
music playing time.
To check the battery charge, briefly press the multifunction
key when no call is in progress. If the indicator light is
green, the charge level is sufficient. If the light is yellow,
you may need to recharge the battery soon. If the light is
red, recharge the battery.
When the battery is discharged, the headset beeps about
every 5 minutes.
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