BT 90 User Manual page 4

Telephone line
cord socket
see page 7
Back-up battery
compartment
Holds 1 x PP3
alkaline battery.
see page 6
Power light
Lights up red when the
mains power is on.
see page 7
Battery charging
contacts
2
PHONE LINE
POWER
12V AC
PAGE
IN USE
CHARGING
Mains power
socket
see page 7
Base unit
telescopic aerial
see page 9
In use light
Comes on when the
handset is in use.
see page 10
Page button
Press to page the
handset
see page 14
Charging light
Comes on when the
handset batteries are
being charged.
see page 7