INSTALLATION
79
BusinessPhone 250 / BusinessPhone 50
Portable DT400 / DT410 / DT420 / DT430
CHARGING
THE BATTERY
When the battery requires charging, you will hear an
attention beep and the display will show the “Low battery”
icon.
Place the portable in the desktop charger as
shown in the figure below
The charging process will start automatically, indicated by a
red light on the charger. It takes approximately one hour to
fully charge the battery.
The handset is fully operational while stored in the desktop
charger. If you have another battery, you can also place just
the battery alone in the desktop charger.
When charging is complete, the charger light will turn green.
Notes:
- Do not connect your portable to the charger without a battery.
- If the battery is completely flat it can take a few minutes
before the red light on the charger is lit.
- If the standby time for your portable becomes too low, you
should replace the battery.
- Only use the charger that is delivered with your portable
to charge the battery.
- It is normal for the battery to get slightly warm while
charging.
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