AT&T TL90078 - Manual (Page 10)

Getting started
Battery installation & charging
Install the battery as shown below. After installing the battery,
you can make and receive short calls. Place the handset in
the telephone base or charger when not in use. For optimal
performance, charge the handset battery for at least 16 hours
before use. See the table on page 25 for battery operating times.
Step 1
Plug the battery
securely into the
connector inside
the handset battery
compartment,
matching the color-
coded label. Insert
the supplied battery
with the label
THIS
SIDE UP facing up
as indicated.
Step 2 Step 3
Press the depression
and slide the battery
compartment cover
downwards (if
necessary).
Align the cover flat
against the battery
compartment
cover, then slide
it upwards until it
clicks into place.
6