BT CALLER DISPLAY 20 User Manual

At a glance
Display
Displays number information in
New call indicator
the calls list. Also shows battery
Flashes when calls have been
low warning for up to two weeks
received since you last viewed
before the batteries run out.
the calls list.
Scrolling buttons
Clear button
Dial button
Use to move up and
Deletes numbers
Press to dial a number
down through the
stored in the calls list.
shown on the display.
calls list. Also used to
adjust the contrast of
the display.
IMPORTANT
Caller Screws Wall-
Display and wall
mounting
Check that your
20 with plugs for bracket
Caller Display 20 telephone wall
line cord mounting
is complete. When
attached
you unpack it you
should have:
You will need 4 x AAA alkaline batteries.
Introduction
Installing your
Caller Display
Your Caller Display 20 is designed
for ease of use and is made to the 20
high standards set by BT.
Situating your
Thank you for choosing BT's Caller
Caller Display 20
Display 20. You can expect many
years of quality service.
Position your Caller Display 20 close
Please read the instructions
enough to a phone socket for the
carefully before use and keep this
cables to reach.
User Guide for future reference.
Do not stand it on carpets or other
similar surfaces which might
Hints and tips boxes
generate fibres.
In this user guide we've included
helpful tips and useful notes.
Do not cover or enclose the
They are shown in a white box
machine. Allow a free flow of air to
like this.
its surfaces.
For your records
Your Caller Display 20 can be
wall-mounted. For instructions
Date of purchase:
on how to do this, see 'Wall-
mounting'.
Place of purchase:
Check your telephone
wall socket
Serial number:
(see base of unit)
Purchase price:
(for warranty purposes, proof of If you do not have a modern-style
socket, call Freefone 0800 800
purchase is required, so please keep
150 and ask for a BT engineer to
your receipt)
come and fit the correct type. This is
a chargeable service.
Connecting a telephone to
Insert batteries
your Caller Display 20
To connect a telephone to your
Open the battery compartment at
1
Caller Display 20, plug the
the back of your Caller Display 20 by
telephone line cord into the socket
pushing it upwards from the bottom
on the back of the unit.
edge.
You will need 4 x AAA alkaline
Alternatively, connect both the Caller
batteries.
Display 20 and your telephone to the
wall socket via a doubler socket.
Insert the batteries as shown in the
2
diagram then replace the lid.
BT's Caller Display
Service
Your Caller Display 20 receives and
displays caller information, which is
It is important to maintain the
transmitted over the BT network. The
batteries in your Caller Display 20.
information will include the date and
Without battery power the screen
time the call is received, and in most
showing callers' details and other
cases the caller's phone number.
display features will not work.
To enable your Caller Display 20 to
show this information, you will first
Battery low indication
have to subscribe to BT's Caller
Display Service, details of which are
obtainable from BT on:
When the batteries are nearing
the end of their useful life the
Freefone 0800 800 150 for
display will show a 'battery low'
residential customers.
symbol. The same symbol will be
shown when the batteries are
Freefone 0800 800 152 for
completely flat.
business customers.
Information displayed via
Plug your Caller Display 20
other UK networks
into the wall socket
To enable your Caller Display 20 to
display information transmitted via
another UK network, you will first
have to subscribe to that network's
own Caller Display service. Call
your service provider for more
information.
Your Caller Display 20 is now
ready for use
received since you last checked the
calls list.
The number of new calls received
will also be displayed in the top right
hand corner of the screen.
Using your
Reading the calls list
Caller Display
20
Press the button. This brings up
1
Using the calls list
details of the most recent incoming
call.
When your Caller Display 20
receives a call, it automatically
Press the button again to display
2
stores the caller's phone number
the next most recent call.
and other information in the 'calls Continue pressing until the display
shows END OF LIST.
list', including the date and time of
the call.
It can store up to a maximum of 30
Press the button at any time to
3
calls. To make room for new
move up the list.
incoming calls it discards old stored
numbers, starting with the oldest.
Adjusting the contrast
Your Caller Display 20 will store the
on the display
callers details whether the call has
been answered or not.
You can adjust the contrast on the
display to make the screen lighter or
Setting the date
darker.
and time
The date and time will be set
Press and hold the button.
1
automatically the first time you
receive a call, provided you have
subscribed to a Caller Display
Press the button. The display
service. 2
shows LCD CONTRAST.
New calls indicator
Press the button until the contrast
3
you want is available.
The red 'new calls' indicator flashes
to tell you that new calls have been
Release the button. The contrast
4
on the display is now set.
Dialling numbers stored
in the calls list
Press the and buttons to find
1
the number you wish to dial from
the calls list.
Dial
Press the Dial button. The number
2
on the display is dialled automatically.
When the number is dialled the
display will show LIFT HANDSET.
Lift the handset of the telephone
3
connected to your Caller Display 20
within 10 seconds.
When the connected telephone is in
use the 'extension in use' icon
appears.
If you have dialled the wrong
number, or wish to stop dialling
out, press the Clear button.
Deleting a single number
from the calls list
Press the and buttons until you
1
have found the number you wish to
delete.
Clear Clear
Press the Clear button twice in
2
quick succession (within one and a
half seconds).
The number is now deleted.