VTech DM221-2 Manual - Manual (Page 13)

6
Getting started
Parent unit battery charging
The parent unit turns on after you have installed the parent unit battery or
connected the parent unit to AC power (see pages 3 to 5). The battery icon
indicates the battery status (see the table b elow). The parent unit batte ry is
fully charged after 11 hours of continuous charging. See the table on page 19
for battery operating time.
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, LOW BATTERY and flash on the parent unit. The
light 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. No battery is installed. The
parent unit can be used
only when it is connected
to AC power.
Install the parent unit battery.
Charge without interruption
(at least 30 minutes).
LOW BATTERY and
flash on the screen.
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 pack initially or it is not used for a long period of time,
charge it for 11 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.