AASTRA DT4x2 for MD Evolution User Guide EN - Manual (Page 145)

145 MD Evolution – Cordless DT412 / DT422 / DT432
Installation
Installation
This chapter describes how to connect and charge the battery of
your phone. You will also find procedures for installation and
maintenance of your phone.
Battery
The battery is a rechargeable battery placed on the back of the
phone.
Charging the battery
The battery requires charging when the Battery icon in the display
is half filled or empty.
Place the phone in the charger. A beep indicates connection with
the charger. The charging status is shown by the Battery icon in the
display. After approximately 1 hour the phone is fully charged,
indicated by a filled Battery icon. If the phone is switched off when
placed in the charger, it will start up automatically within 2 minutes.
Note: If a call is connected when the phone is placed in the
charger, the call will be disconnected.
Remove the battery
The battery is fastened by a screw and two hooks. To remove the
battery on DT412 and DT422, use a small coin and turn the screw
to horizontal position. To remove the battery on DT432, use the
screwdriver delivered with the handset and turn the screw to
horizontal position. Remove the battery by pulling the screw. When
fastening the battery again the screw has to be in horizontal
position.