If you need some help, call us on 0800 145 6789* or go to bt.com/producthelp
Quick set-up guide
6
Battery performance
• To keep the batteries in the
best condition, leave the
handset off the base for a
few hours at a time.
• Running the batteries right
down at least once a week
will help them last as long
as possible.
• After charging your handset
for the first time, subsequent
charging time for the
batteries is approximately
8 hours.
• The charge capacity of
rechargeable batteries will
go down over time, which
will reduce the talk and
standby time. Eventually
they’ll need replacing.
For details on how to get
replacement batteries,
call the helpline on
0800 145 6789*.
3. Once set-up is complete your handset will display
Please
check
line
cord
, place the handset on the
base to charge.
4. After 24 hours, plug the phone line cord into the
phone wall socket.
IMPORTANT
Charge the handset batteries for 24 hours or your
phone might not work.
Set up your additional handsets (multipacks only)
1. For additional handsets and chargers: plug the
mains power adaptor into the underside of the
charger and plug the other end into the mains wall
socket and switch on the power.
BT 3540 Twin
2. Activate the batteries as explained on page 5.
3. Place the handset on the charger to charge for
24 hours.
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