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BT Synergy 3505 – Edition 4 – 11.11.03 – 5675
Help60
Replacing the handset batteries
After a time, you may find that the handset batteries are running out of charge more
quickly. This is a standard sign of wear and the batteries will need replacing.
For spare AAA rechargeable batteries, please contact the BT Synergy Helpline
0870 605 8047.
Remove the battery compartment cover and remove the existing batteries. Insert new
batteries and replace the compartment cover.
Problems Possible cause
No display The batteries may be flat or dead. Recharge or replace
the batteries.
Is the handset switched off? To switch on, see page 17.
No dial tone Check that the telephone line cord is plugged into the
phone socket.
Check that the base is connected to the mains power
and switched on.
5675 BT Synergy 3505 UG [4] 11/11/03 4:16 PM Page 60