VTech VM321-2 Manual - Manual (Page 19)

13
Getting started
Parent unit battery charging
Once you have installed the parent unit (see page 12) and its battery (see
page 10), press for 2 seconds to turn it on. The battery icon indicates the
battery status (see the table below). The parent unit battery is fully charged
after 12 hours of continuous charging.
When the parent unit is operating in battery mode and the battery is low, you
need to charge the parent unit without interruption for at least 30 minutes to
give the parent unit enough charge to use for a short time. When operating in
low battery condition, the parent unit displays Battery low at Parent Unit
and . The light on the parent unit flashes and the parent unit plays
short beeps to alert you.
The following table summarizes the battery charge indicators and actions
to take.
Battery indicators Battery status Action
The battery icon is off and
displays.
No battery is installed but
operates using AC power,
or the battery has been
installed incorrectly.
Install the parent unit
battery. Charge without
interruption (at least
30 minutes).
The screen displays
Battery low at Parent
Unit and . The
light flashes.
The battery has very little
charge and may be used
for only a short time.
Charge without interruption
(about 30 minutes).
The battery icon becomes
solid .
The battery is fully charged. To keep the battery
charged, connect it to
AC power when not in use.
When you charge the battery initially or it is not used for a long period of time,
charge it for 12 hours continuously. It takes longer to charge the battery when
the parent unit is turned on. To shorten the charging time, turn the parent unit
off while charging.