Replacing The Battery; Desk Charger - Aastra DT390 User Manual

16.2

Replacing the Battery

If the standby time for the cordless phone becomes too low, replace the
battery with a new one. Contact your system administrator or your certified
Aastra Sales partner for information on new batteries. The battery is
connected to the cordless phone in such a way that no miss-contact is
possible.
To replace the battery, do the following (also described in
1. Open the battery lid and remove the battery.
2. Disconnect the battery cable, and replace with a new battery.
3. Make sure the battery cable cannot be trapped while closing the
4. Close the lid.
Figure 10 Battery replacement
Note:
16.3

Desk Charger

The desk charger is used only for charging. The charger is delivered with a
plug-in power supply and is connected into an ordinary wall socket.
Figure 11 Desk Charger
Note:
1424_EN_LZT103087.doc Rev B2 2009-09-11
battery lid.
Do not disconnect the battery unless it needs to be replaced.
Only use the chargers within the temperature range of 5 - 40º C.
© Copyright Aastra Telecom Sweden, 2009.
All rights reserved.
Figure 10):
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