Synergy 3100 user guide ~ 5th Edition ~ 26th September ’02 ~ 4457
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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 2 x AAA rechargeable batteries please contact the Synergy 3100 Helpline 08706 058 047.
Replacing the batteries
In the event that you should need to change or replace the batteries: Remove the battery compartment cover and take out the batteries.
Insert new 2 x AAA
Do not immerse the batteries in water or throw into a fire, or dispose of with ordinary domestic refuse.
BT accepts no responsibility for damage caused to your Synergy handset by using any other type of batteries.
No display appears.
The batteries may be flat or dead. Recharge or replace the batteries.
The handset may be switched off.
No dial tone.
Is the telephone line cord plugged into the phone socket?
Check that: The base station is connected to the mains power and switched on.
You cannot link up with the base station.
Is the display flashing 
?
The mains power cable may not be connected at the base or switched on.
Are you in range of the base station?
The batteries could be low or flat.
If using more than one base station, check that you are connected to the correct base. See page 25.
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