Battery Charging; Handsets; Telephone Base - AT&T TL90070 User Manual

Getting started

Battery charging

Once you have installed the battery, the screen indicates the
battery status (see table below). If necessary, place the handset
in the telephone base or charger to charge the battery. For best
performance, keep the handset in the telephone base or charger
when not in use. The battery is fully charged after 16 hours
of continuous charging. See the table on page 33 for battery
operating times.
If the screen shows Low battery, you need to charged the
battery without interruption for at least 30 minutes to give the
handset enough charge to use the telephone for a short time.
The following table summarizes the battery charge indicators
and actions to take.
Battery indicators
The screen is blank or
shows Place in charger.
The screen shows
Low battery and
flashes.
The screen shows
HANDSET X.
NOTE: If you are on a phone call in low battery mode, you hear four short
beeps every minute.
Battery status
The battery has no
charge or very little
charge. The handset
cannot be used.
Battery has enough
charge to be used for a
short time.
Battery is charged.
9
Action
Charge without
interruption until the
screen shows
Low battery or Handset
X (at least 30 minutes).
Charge without
interruption until the
screen shows HANDSET
X (at least 30 minutes).
To keep the battery
charged, place it in
the telephone base or
charger when not in use.