Battery Installation - AT&T TL8900 User Manual

Dect 6.0 accessory cordless headset
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Getting started

Battery installation

The battery is permanently attached to the battery
compartment cover. Do not try to separate them from each
other. After installing the battery, charge it for at least 15
minutes. You may be able to make and receive short calls. For
optimal performance, charge the headset battery for at least
three hours before use. When fully charged, the headset battery
provides approximately 12 hours of talk time or 5 days of standby
time. When the headset is not in use, recharge it by returning it
to the headset charger.
1. Insert the battery into the
battery compartment.
2. Press down on the battery
until it clicks into place.
NOTES:
Remove any headset attachment before battery replacement.
X
You will hear the voice prompt "Low battery" when you press the
X
while the headset battery is low.
To order a replacement battery (model BT291665), visit our website at
X
https://telephones.att.com
1 (866) 288-4268
Canada, dial
1
1 (800) 222-3111
or call
.
6
2
button
. In

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