BT 2120 User Manual

Synergy 2120  
Digital cordless telephone featuring DECT  
User Guide  
This equipment is not designed for making emergency telephone calls when the power fails.  
Alternative arrangements should be made for access to emergency services.  
This product is intended for connection to analogue public switched telephone networks  
and private switchboards in the United Kingdom.  
Base  
Charging light  
Comes on when the handset  
batteries are being charged.  
In use light  
Comes on  
when the line  
is in use.  
Synergy 2120  
Charging  
In Use  
Power light  
Comes on  
while the  
mains power  
is switched on.  
Power  
Page  
Press to page  
the handset  
Page  
from the base.  
Display symbols  
1. External line is in use.  
2. Handset in use.  
3. Indicates an internal call or when  
transferring a call to another handset.  
4. Secrecy feature is on. Your caller  
cannot hear you.  
5. Battery status indicator.  
INT  
L
6. Confirms active signal between  
handset and base.  
7. Handset number.  
1
2
3
4
5
6
7
2
MENU STRUCTURE  
Name:  
New entry  
Tel. number:  
Change entry  
Delete entry  
Dial entry  
Phone book  
Notepad  
Delete all  
Synergy 2120  
View  
Save  
Del  
Options  
Int  
1
4
7
2
5
8
0
3
M
Melody  
6
HS setting  
Ext ringer  
Volume  
9
Melody  
R
Int ringer  
Volume  
r
On  
Room Mon  
Off  
Direct call  
Change PIN  
HS lock  
Phone no  
HS PIN  
HS PIN  
On  
Key tone  
Off  
English  
Francais  
Deutsch  
Language  
Tone  
Dial mode  
Flash time  
Base ringer  
HS priority  
Pulse  
Base setting  
Waiting…  
Base PIN:  
100MS  
Others  
Melody  
Volume  
Select base  
Show base  
Best base  
Base 1-4  
No priority  
Handset 1-5  
On  
Change PIN  
PSTN prefix  
New PIN  
Base name  
Off  
PSTN prefix  
number  
Set new name  
Base 1-4  
NO  
HS  
Call barring  
Remove HS  
Network  
Registration  
Base 1-4  
PSTN  
PBX  
3
In this guide  
At a glance  
Key features  
1
5
Introduction  
7
8
Unpacking your Synergy 2120  
For your records  
8
Safety instructions  
Setting up  
9
10  
Using your Synergy 2120  
Making and receiving calls  
Using the notepad  
13  
13  
16  
17  
Using the phonebook  
Optional settings  
Additional features  
19  
21  
BT Select Services  
Call waiting  
25  
25  
Other services  
25  
Base station settings  
Using additional handsets  
26  
30  
Operating with additional  
base stations  
Connecting to a switchboard  
Maintenance  
33  
34  
35  
36  
38  
39  
40  
Help  
Technical information  
Technical specification  
Index  
Hints and tips boxes  
In this user guide, we’ve included helpful tips and  
useful notes. They are shown in a white box like this.  
4
Key features  
Up to five handsets work from  
one base  
Enhanced call clarity  
Highly advanced digital  
technology (DECT)  
ensures much clearer calls than  
the older style phones.  
You can make internal calls  
between handsets, transfer  
an external caller to another handset  
and hold three way calls between two  
handsets and an external caller.  
Excellent handset range  
20 name and number directory  
Under ideal conditions you  
can use your Synergy 2120  
handset at up to 300 metres from  
the base station outside, or up to  
50 metres inside.  
Store up to 20 of your most  
important or frequently  
dialled names and numbers in the  
phonebook. It’s then easy to display  
and dial numbers in the phonebook.  
Each handset has an individual  
directory.  
Keypad guard  
This prevents accidental  
dialling while carrying the  
handset around and also lets you lock  
the handset against unauthorised use.  
Make internal and external  
calls at the same time  
With the maximum of five  
handsets registered to the  
base station, your Synergy 2120 lets you  
use all of them together. One handset  
can be making an external call while  
the other four handsets are being used  
to make separate internal calls.  
Last 5 number redial  
Display and redial any of the last five  
numbers called from your handset.  
5
Different ringing  
You can set your handsets to give a  
different ring for external callers and  
internal callers.  
Notepad  
Saving you the need of a pen and  
paper, you can simply note down a  
phone number on your Synergy 2120  
handset’s memory during a call. You  
can then look the number up later or  
add it to the phonebook.  
Direct call  
You can store an emergency contact  
number which will automatically be  
called when any button is pressed on  
the handset. For example, this can be  
useful for babysitters.  
6
Introduction  
Your Synergy 2120 has been designed for ease of use and made  
to the high standards set by BT.  
Please read the instructions carefully  
before use and retain this user guide  
for future reference.  
This user guide applies to both single  
and multiple handset systems. The  
internal call functions described in  
this guide apply only to Synergy 2120  
base stations with more than one  
handset connected.  
DECT  
By purchasing the Synergy 2120 you  
now own a product which combines  
the advantages of cordless operation  
with the performance of a high quality  
corded telephone. It complies with the  
Digitally Enhanced Cordless  
Telecommunications (DECT)  
standard and offers unparalleled  
quality and features.  
Important  
If you wear a hearing aid, please  
note that the Synergy 2120 works by  
sending radio signals between the base  
station and the handset. These signals  
can interfere with hearing aids,  
causing a humming noise.  
Building up a phone system  
You can use up to 5 handsets with your  
Synergy 2120 base station without the  
need for additional wiring.  
Synergy 2120  
Synergy 2120  
Del  
Del  
Options  
Int  
Options  
Int  
D
D
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2
5
8
0
3
1
G
2
5
8
0
3
4
6
9
4
6
9
Synergy 2120  
7
7
R
R
r
r
Charging  
In Use  
Power  
Synergy 2120  
Synergy 2120  
Page  
Del  
Del  
Options  
Int  
Options  
Int  
D
D
1
G
2
5
8
0
3
1
G
2
5
8
0
3
4
6
9
4
6
9
7
7
R
R
r
r
Synergy 2120  
Del  
Options  
Int  
D
1
G
2
5
8
0
3
4
6
9
7
R
r
7
Unpacking your Synergy2120  
For your records  
If anything is missing, please contact  
your place of purchase immediately.  
Date of purchase:  
Place of purchase:  
Synergy 2120  
Synergy 2120  
handset.  
Del  
Options  
Int  
D
1
G
2
5
8
0
3
4
6
9
7
R
r
Serial number (on the underside of telephone base):  
Purchase price:  
Synergy 2120  
Charging  
In Use  
Synergy 2120  
base station.  
Power  
Page  
For warranty purposes, proof of  
purchase is required, so please keep  
your receipt.  
Handset  
Battery pack.  
Enter your Handset PIN here  
Plug mounted,  
13 amp mains  
adaptor.  
See page 12, 20 for more information.  
Enter your Base Station PIN here  
Telephone  
line cord  
See pages 12 and 27 for more  
information.  
Belt clip  
8
Safety instructions  
Use only the approved  
battery pack supplied. Spare  
batteries – Item Code: 871996  
are available from BT Shops and the  
Synergy Helpline 0845 602 1041.  
Do not dispose of used  
batteries with general  
household rubbish and do not  
burn them.  
Do not use the handsets in  
places where there are  
explosive hazards.  
Do not try to use any other power  
supply except the one provided,  
otherwise you may permanently  
damage your Synergy 2120. It may also  
invalidate approval of this apparatus.  
To get a replacement Synergy 2120  
base station power supply unit – Item  
Code 871997 – contact the Synergy  
Helpline 0845 602 1041.  
If you wear a hearing aid,  
please note that the Synergy  
2120 works by sending radio  
signals between the base station and  
handset. These signals can interfere  
with hearing aids, causing a humming  
noise.  
There is a slight chance your  
phone could be damaged by  
an electrical storm. We  
Synergy 2120 can interfere with other  
electrical equipment, e.g. answering  
machines, TV and radio sets, clock  
radio/alarms and computers if placed  
too close. It is recommended that you  
place your Synergy 2120 at least one  
metre away from such appliances to  
minimise any risk of interference.  
recommend that you unplug your  
Synergy 2120 from the mains power  
and telephone socket during storms.  
The Synergy 2120 will  
produce a certain amount of  
heat during operation.  
Make sure you connect the power and  
telephone lines to the correct sockets  
in the base station.  
Equally, the handset as well as any  
additional chargers you purchase can  
also become warm during charging.  
We advise against placing these  
products on antique, veneered or  
wooden surfaces as damage may occur.  
Clean the handset and base station  
with a damp (not wet) cloth or  
antistatic wipe. Never use a dry cloth  
as this may cause a static shock.  
Never spray cleaning fluid directly  
onto the telephone.  
Do not use the Synergy 2120  
in damp, humid conditions  
such as bathrooms. Do not  
expose the equipment or batteries to  
fire and water.  
9
Setting up  
Follow these steps to set up your Synergy 2120 ready for use.  
Plan the location of your  
Synergy 2120  
1 Connect the power cable  
Your Synergy 2120 works by sending  
Plug the power cable into the power  
and receiving radio signals between  
socket on your Synergy base station.  
the base station and the handset.  
The strength of the signal can depend  
on where you site the base station.  
Generally, the higher the base station  
is located the better. An upstairs room  
is ideal.  
The following points should be  
considered:  
• It should be within 3 metres of a  
power socket and phone socket  
otherwise extension cables will be  
required.  
• Try to avoid locations near metallic  
obstructions or electrical appliances,  
such as TV sets, fridges, computers,  
fluorescent lights, radiators, metal  
pipes and metal window frames.  
Plug the adaptor into the mains power  
supply and switch on. The power light  
comes on.  
Install the rechargeable  
2
battery in the handset  
Please note  
The Synergy 2120 has a range of up to  
300 metres outdoors and up to  
50 metres indoors. It is possible that  
the range may be affected by being  
near water (e.g. large ponds, lakes  
and the sea) as well as large metal  
objects (e.g. radiators, metal partition  
walls and steel girders).  
The Synergy 2120 uses a nickel metal  
hydride (NiMH) battery pack supplied.  
Take care to connect the battery as  
shown and replace the battery cover.  
10  
Charge the handset battery  
for at least 16 hours  
Battery low warning.  
3
If the handset battery symbol is  
empty and flashing, and you hear  
a warning beep every 10 seconds,  
you will need to recharge your  
handset before you can use it.  
Before you use your Synergy 2120 for  
the first time, it is important to have  
the handset battery fully charged.  
We recommend that you leave the  
Synergy 2120 on charge for at least  
16 hours.  
Battery performance  
To keep your battery in the best  
condition, leave the handset off the  
base station for a few hours at a time  
(after the initial 16 hour charge).  
After charging your Synergy  
handset for the first time,  
Place the handset on the base. The red  
charging light comes on. The handset  
should come pre-registered to the  
base station as HS1and this is shown  
in the top right corner of the display.  
subsequent charging time for the  
battery is approximately  
4-5 hours. Battery and case may  
become warm during charging.  
This is normal and not dangerous.  
The battery symbol is also shown.  
It flashes during charging. Once the  
handset is fully charged, the display  
shows a full battery symbol.  
Under ideal conditions, the handset  
battery should give about 12 hours  
talktime or 150 hours standby on a  
single charge.  
Battery levels  
50 -100%  
0%  
(flashing)  
100%  
0-50%  
Please note, however, that a new  
NiMH battery does not reach its full  
capacity until it has been in normal  
use for several days.  
Please note that while the NiMH  
rechargeable battery can be  
expected to give years of service  
they do not last forever.  
Their actual lifespan depends on  
how heavily they are used but over  
time, their capacity to recharge will  
begin to diminish and they will  
eventually need replacing.  
11  
Connect the telephone line cord  
to the Synergy 2120 base station  
Pre-set PINs  
4
Your Synergy 2120 comes with pre-  
set PINs which you will need to use  
to perform various functions on your  
phone.  
Plug the line cord into the line socket  
on your Synergy base station.  
Handset PIN is 0000– used to lock  
and unlock the handset.  
Base station PIN is 0000– used  
when adjusting base station settings  
and registration of new handsets.  
Synergy 2120  
Synergy 2120  
Del  
Options  
Int  
Charging  
+
D
1
G
2
5
8
0
3
In Use  
Power  
Customer Helpline  
4
6
9
7
R
r
Page  
0845 602 1041  
5 Connect the telephone line cord  
If you do not have modern phone  
sockets, call Freefone 0800 800 150  
and ask for a BT engineer to come  
and fit the correct type. This is a  
chargeable service.  
Your Synergy is now ready for use.  
12  
Using your Synergy 2120  
telephone  
To switch your handset ON  
Making and receiving calls  
and OFF  
Press buttons in the order shown  
To make a call  
Press and hold the POWER  
button until the display  
goes blank. The handset is  
now off.  
r
Press the green TALK  
button. Display shows  
You hear the dial tone.  
.
Press the POWER button  
again. You hear two beeps.  
The display flashes  
Searchingand then shows  
the standby screen.  
DIAL  
Enter the number you want  
and it is dialled.  
r
Or  
To preview the number  
before you call.  
To lock and unlock the keypad  
DIAL  
Enter the number you want.  
It is shown on the screen  
but not dialled. If you make  
a mistake, you can change  
the number by pressing  
the DEL button to delete  
individual digits.  
This prevents you from  
accidentally operating the  
handset when you are  
carrying it around.  
Del  
Press and release the  
POWER button. Display shows  
Keypad-lock.  
Press the TALK button to  
dial the number.  
r
Press the POWER button  
again to unlock the keypad.  
To end a call  
r
Press the red END button.  
Please note  
Or  
It is not possible to make emergency  
calls when the keypad lock is on.  
Place the handset back on  
the base.  
13  
To receive a call  
When the phone rings: the  
Secrecy  
This lets you talk to  
screen shows External.  
someone else close by  
without your caller hearing  
the conversation.  
Press the TALK button to  
answer the call  
During your call:  
Or  
If the handset is on the base,  
simply pick it up and talk.  
Press the SECRECY button.  
Display shows Muteand  
Your caller cannot hear you.  
.
r
r
To talk to your caller again.  
To adjust the earpiece volume  
During a call you can adjust  
the volume of the handset  
receiver.  
To redial the last number  
Del  
Press the UP and DOWN  
The last number called is  
displayed.  
arrow buttons.  
Display will show VOLUME  
1 2 3.  
To dial the number.  
The number flashing is the  
current setting.  
To redial one of the last  
5 numbers  
Del  
Use the UP and DOWN arrow  
buttons until the display  
flashes at the desired volume  
level.  
The last number called is  
displayed.  
Del  
Options  
To confirm level.  
To scroll through the last  
5 numbers. (Or keep pressing  
the REDIAL button).  
To dial the number displayed.  
14  
To use the recall button  
Go to Tone  
If you are in the PULSE  
This is used when connected  
R
dialling mode then certain  
services accessed by tone  
dialling are not available.  
to certain switchboards and  
for some BT Select Services  
or those services available  
via your network provider.  
During the call you can  
change to TONE by pressing  
the OPTIONS button.  
Options  
Dialling mode  
Del  
Use the UP and DOWN  
arrows to scroll to the  
Your Synergy 2120 is preset  
to TONE dialling which most  
modern exchanges use.  
On some older exchanges or  
PBX’s it may be necessary to  
change the dialling mode to  
PULSE.  
Go to Tonecommand and  
press the OPTIONS button.  
Options  
Operation of your keypad  
after this will now be in  
TONE mode. When the call  
is completed you will revert  
to PULSE dialling.  
Options  
Until the display flashes  
BASE SETTING.  
Del  
Options  
Enter the 4-digit base station  
PIN. Original setting 0000.  
Go back  
PIN  
Options  
If during a call you have  
selected a function using the  
OPTIONS button, you can  
revert back to a normal  
display without loosing the  
caller if you select the option  
Go back.  
Until the display flashes  
DIAL MODE.  
Del  
Options  
Options  
Until the display flashes  
PULSE.  
Del  
Options  
To confirm.  
15  
Recall  
Using the notepad  
You can store a telephone number in  
your Synergy 2120 notepad memory  
during a conversation.  
Time break recall (TBR) is  
the method by which the  
exchange/PBX can be  
contacted and this is  
operated by the R (recall)  
button on the handset.  
To store a notepad number  
R
Options  
Press the OPTIONS button.  
Your Synergy 2120 recall  
period is normally set to  
100mS under the base  
setting menu Flash time.  
It should not normally be  
necessary to alter this value  
for use in the UK.  
Del  
Until the display flashes  
Notepad.  
Options  
The current notepad number  
(if any) will be displayed.  
KEYPAD  
Enter the number you want  
to store. This will overwrite  
any existing number.  
To exit the options menu at any time,  
press the END button until the  
display returns to standby.  
Options  
To save the number.  
To view and dial a notepad  
number  
Options  
Press the OPTIONS button.  
Del  
Until the display flashes  
Notepad.  
Options  
Press the OPTIONS button.  
Del  
Until the display flashes View.  
The notepad number is  
displayed.  
Options  
To dial the number,  
if required.  
16  
To store a notepad number in  
the phonebook  
Using the phonebook  
You can store up to 20 of your most  
important or frequently dialled numbers  
in your Synergy’s phonebook.  
You must include a name to  
go with the number.  
Options  
Stored numbers can be up to 25 digits  
long and each one must have a name  
allocated to it.  
Del  
Until the display flashes  
Notepad.  
Options  
All entries in the phonebook are listed  
in alphabetical order.  
Del  
Until the display flashes  
Save.  
To exit the options menu at any time,  
Options  
Display shows Name:.  
press the  
button until the display  
returns to standby.  
ABC  
Use the keypad to enter the  
name you want.  
The number is stored in the  
phonebook.  
Options  
To store a name and number in  
the phonebook  
Using the keypad to enter  
a name.  
Options  
Press the OPTIONS button.  
For example, to enter the  
name JOHN:  
Del  
Until the display shows  
Phone book.  
5JKL  
Press once to enter J.  
Wait for the cursor to move  
to the next space.  
Options  
Del  
Until the display shows  
New entry.  
6MNO Press three times to enter O.  
Press twice to enter H.  
6MNO Press twice to enter N.  
Options  
4GHI  
Display shows Name:.  
ABC  
Use the keypad to enter the  
name you want.  
1
0
To insert a space.  
To insert ‘&’.  
For example, to enter the  
name JOHN:  
Press once to enter J.  
Wait for the cursor to move  
to the next space.  
If you make a mistake, press  
the DEL button to delete the  
previous character.  
Del  
5JKL  
6MNO Press three times to enter O.  
Press twice to enter H.  
6MNO Press twice to enter N.  
4GHI  
1
0
To insert a space.  
To insert ‘&’.  
17  
If you make a mistake, press  
the DEL button to delete the  
previous character.  
To dial a number stored in the  
phonebook  
Del  
Options  
Display shows Tel.number:.  
The first entry is displayed.  
KEYPAD  
Enter the telephone number  
you want to store.  
Del  
Press to scroll through the  
entries until the one you  
want is displayed.  
To confirm. You can now  
store another entry.  
Options  
To dial the number.  
To enter a pause in a stored  
number  
To delete an entry from the  
phonebook  
When storing the number,  
press the REDIAL/PAUSE  
button at the point where you  
want to enter the Pause.  
Options  
Press the OPTIONS button.  
Del  
Until the display flashes  
Phone book.  
Options  
To edit an entry in the phonebook  
Del  
Until the display shows  
Delete entry.  
Options  
Press the OPTIONS button.  
Until the display shows  
Phone book.  
Options  
Del  
Del  
To display the entry you  
want to delete.  
Options  
Options  
To confirm deletion.  
Del  
Until the display shows  
Change entry.  
Options  
To delete all entries from the  
phonebook  
Del  
Until the display shows the  
entry you want to change.  
Options  
Press the OPTIONS button.  
The name flashes.  
Options  
Del  
Until the display flashes  
ABC  
If required, enter a new name  
to change it.  
Phone book.  
Options  
To confirm the name.  
Display shows the phone  
number.  
Options  
Del  
Until the display flashes  
Delete all.  
KEYPAD  
If required, enter a new  
number to change it.  
Options  
Options  
Delete all?  
.
To confirm deletion.  
Options  
To confirm the change.  
18  
Optional Settings  
To adjust the handset ringer  
volume  
To exit the options menu at any time,  
press the END button until the  
display returns to standby.  
The volume levels range  
from 0-5 where 0 is off and  
5 = maximum. The pre-set  
level is 3.  
To adjust the ringer melody  
You can also set the handset  
to ring at different volumes  
for external calls and  
internal calls (i.e. calls from  
other handsets registered to  
the base station).  
You can choose from 6  
melodies. The pre-set melody  
is 4.  
You can also set different  
melodies for external calls  
and internal calls (i.e. calls  
from other handsets  
Options  
Del  
Until display flashes  
HS setting.  
registered to the base station)  
Options  
Options  
Del  
Until display flashes  
HS setting.  
Del  
To select either Ext.ringer  
(to set the ring volume for  
external calls) or Int.ringer  
(to set the ring volume  
for internal calls).  
Options  
Del  
To select either Ext.ringer  
(to set the ring volume for  
external calls) or Int.ringer  
(to set the ring volume for  
internal calls).  
Options  
Del  
Until the display flashes  
Volume.  
Options  
Options  
Del  
Until the display flashes  
Melody.  
Del  
To hear and switch between  
volume settings 0-5.  
Options  
To confirm the setting  
displayed.  
Del  
Options  
To hear and switch between  
the different melodies 1-6.  
To confirm the setting  
displayed.  
Options  
19  
To change your handset PIN  
If you change your handset  
PIN, keep a record of the new  
number by writing it in the  
space provided on page 8.  
Options  
Del  
Until display flashes  
HS setting.  
Options  
Del  
Until the display flashes  
Change PIN.  
Options  
Display shows HS PIN.  
PIN  
Enter your current handset  
PIN. Original setting 0000.  
You hear a confirmation ring.  
Options  
Display shows NewPIN.  
KEYPAD  
Enter your new 4-digit PIN.  
Display shows Retype.  
Enter your new PIN again.  
To confirm the new PIN.  
Options  
KEYPAD  
Options  
Please note  
If you forget your PIN, you will need  
to call the Synergy Helpline on  
0845 602 1041.  
20  
Additional features  
Direct call  
To set a direct call number  
You can store an emergency contact  
number which will automatically be  
called when any button is pressed on  
the handset. For example, this can be  
useful for babysitters.  
Options  
Until the display flashes  
HS setting.  
Del  
Options  
Del  
To display Direct call.  
Display shows Empty.  
Please note  
Options  
If you set direct call, you cannot call  
any other number from the handset.  
This includes 999 and 112 numbers.  
KEYPAD  
Enter the phone number you  
want to set as your direct call  
number. This can be up to  
25 digits long.  
To exit the options menu at any time,  
If you make a mistake, press  
the DEL button to delete  
individual digits.  
press the  
button until the display  
returns to standby.  
Del  
To confirm the number.  
The phone also gives a  
confirmation ring.  
Options  
The display shows Direct  
calland the number  
entered, this will remain on  
the display until direct call is  
cancelled.  
To dial a direct call number  
KEYPAD  
Press any button on your  
Synergy handset.  
21  
To cancel the direct call number  
To unlock the handset  
Press twice in quick  
succession.  
Options  
Options  
Display shows HS PIN.  
KEYPAD  
Enter the 4-digit handset PIN.  
(Original setting, 0000).  
To lock the handset against  
unauthorised use  
Options  
Display returns to standby.  
You can lock the handset so  
that NO ONE else can use it.  
To switch the keytones off and on  
Options  
Del  
Until the display flashes  
HS setting.  
When you press a button on  
the handset, you hear a  
beep. You can switch these  
beeps off.  
Options  
Del  
Until the display flashes  
HS lock.  
Options  
Del  
Options  
Until the display flashes  
HS setting.  
Display shows HS PIN.  
KEYPAD  
Enter the 4-digit handset PIN.  
(Original setting, 0000).  
Options  
Del  
Until the display flashes  
Key tone.  
Display shows HS  
locked.  
Options  
Options  
Del  
Until the display flashes  
Please note  
ONor OFF.  
You cannot make any calls from the  
handset once the lock is on.  
This includes emergency numbers.  
You must unlock the handset before  
any calls can be made.  
Options  
To confirm the setting  
displayed.  
22  
To set a different language for  
the display  
Room monitor  
If you have more than one handset  
registered to your Synergy 2120 base  
you can use your handsets as a room  
monitor. One handset should be  
placed in one room whilst the other  
handset should be carried with you or  
placed within your hearing distance.  
You can set the options of  
‘English’, ‘Francais’ or  
‘Deutsch’.  
Options  
Del  
Until the display flashes  
HS setting.  
Options  
To use your handset as  
a room monitor  
Del  
Until the display flashes  
Language.  
On the handset in the room:  
Options  
Del  
To scroll through the options,  
English, Francaisor  
Deutsch, until the required  
language flashes.  
Options  
Press the OPTIONS button.  
Del  
Press until the display  
flashes HS setting.  
Options  
Please note  
Del  
Press until the display  
The current language  
setting is indicated by an  
before the country’s  
language.  
flashes Room Mon.  
Options  
Del  
Press until the display  
flashes ON.  
Options  
Options  
To select the language  
displayed.  
To confirm the setting.  
On your handset:  
Press the INT button. The  
Int  
display shows Internal.  
KEYPAD  
Enter the number of the  
handset (1-5) which you will  
use to monitor (i.e. the  
number of the room which  
you wish to monitor. You  
can now listen to noises in  
the room. The display on the  
handset in the room will  
show Room Monwhilst  
monitoring is taking place.  
23  
To switch off the room monitor  
On the handset in the room:  
Options  
Press the OPTIONS button.  
Del  
Press until the display  
flashes HS setting.  
Options  
Del  
Press until the display  
flashes Room Mon.  
Options  
Del  
Press until the display  
flashes OFF.  
Options  
To confirm the setting.  
On your handset:  
Press the END button  
until the handset returns  
to standby.  
Warning  
The room monitor function will not  
work if an incoming call is picked up  
or if an outgoing call is made from  
either handset.  
24  
BT Select Services  
If you are connected to a digital  
exchange, you can subscribe to a  
range of BT Select Services. If you  
wish to subscribe to any of these  
services contact us on Freefone 0800  
800 152 business, 150 residential,  
8am to 6pm, Monday to Friday.  
back and forth between the  
two calls without  
disconnecting either if you  
wish.  
If you wish to disconnect  
the first call press the END  
button after speaking to the  
first caller.  
Call Waiting  
The handset will then ring.  
Press the TALK button  
again and continue with the  
second caller.  
If an incoming call arrives while you  
are already engaged on a telephone  
call, you will hear a soft beep every  
5 seconds (this beep is not audible to  
the person you are speaking to).  
The second caller will only  
be charged for their call from  
the moment you answer and  
not while they are waiting  
for your initial contact.  
Instead of the engaged tone, the second  
caller will hear an announcement to  
hold on as you are aware that there is  
a second call.  
Other services  
• Call my bill  
• Call Barring  
To use Call Waiting  
• Call Diversion  
• Charge Advice  
• Reminder Calls  
• Three-way Calling  
• Call Return 1471  
You can answer the second  
call, without disconnecting  
your first caller, by pressing  
the CALL WAITING button.  
The first caller will be put  
on hold.  
R
R
For more information about these  
Select Services, call BT on Freefone  
0800 800 150 for residential or 152  
for business. If you are not on the  
BT network, please ask your  
telecommunications supplier for  
information on their services.  
When you have spoken to  
the second caller you can  
return to the first caller by  
pressing the CALL WAITING  
button again. You can switch  
25  
Base station settings  
To adjust the base ringer melody  
To adjust the base ringer volume  
You can use your handset to  
change the melody.  
You can use your handset  
to change the melody.  
The settings range from  
0-5, where 0 = off and  
5 = maximum.  
Options  
Del  
Until the display flashes  
Base setting.  
Options  
Options  
Del  
Until the display flashes  
PIN  
Enter the 4-digit base station  
PIN. Original setting 0000.  
Base setting.  
Options  
Options  
PIN  
Enter the 4-digit base station  
PIN. Original setting 0000.  
Del  
Until the display flashes  
Base ringer.  
Options  
Options  
Del  
Until the display flashes  
Base ringer.  
Del  
Until the display flashes  
Melody.  
Options  
Options  
Del  
Until the display flashes  
Volume.  
Del  
To hear and select the choice  
of melody you want 1-6.  
The original setting is 4.  
Options  
Del  
To hear and select the volume  
you want 0-5. The original  
setting is 3.  
To confirm the selection  
displayed. You hear a  
confirmation ring.  
Options  
To confirm the selection  
displayed. You hear a  
confirmation ring.  
Options  
26  
To set the handset priority  
To change the base station PIN  
If you are using more than  
one handset on your base  
station, you can select one  
handset to ring before all the  
others. You can then set the  
number of rings it will make  
before the other handsets  
start ringing.  
If you change your base  
station PIN, keep a record of  
the new number by writing  
it in the space provided on  
page 8.  
Options  
Del  
Until the display flashes  
Base setting.  
Options  
Options  
Del  
Until the display flashes  
Base setting.  
PIN  
Enter the 4-digit base station  
PIN. Original setting 0000.  
Options  
Options  
PIN  
Enter the 4-digit base station  
Del  
Until the display flashes  
Change PIN.  
PIN. Original setting 0000.  
Options  
Options  
Del  
To scroll through and select  
HS Priority.  
PIN  
Enter the new 4-digit PIN you  
want.  
Options  
To confirm.  
Options  
To confirm new PIN. Display  
shows Retype.  
Del  
To scroll through the options:  
No priority- all handsets  
ring at the same time.  
Handset 1-5- the selected  
handset rings first.  
PIN  
Re-enter the new PIN.  
To confirm the setting.  
Options  
To confirm the displayed  
setting. Display flashes  
Ring (1-99).  
Options  
KEYPAD  
Enter the number of rings  
you want the selected  
handset to ring before the  
other handsets.  
Options  
To confirm.  
27  
To select which base station  
you want your handset to use  
To set call barring  
You can bar calls with up to  
Options  
five different prefixes, making  
it impossible to dial out if a  
telephone number is  
preceded by one of these  
prefixes. This could be an  
international dialling code  
or a premium rate service.  
You can also specify  
Del  
Until the display shows  
Select base.  
Options  
Del  
To scroll through the options:  
Best base= your handset  
will automatically select the  
base station with the  
strongest reception.  
individual handsets on which  
you want to set call barring.  
Base 1-4= you can select  
a specific base to use.  
Options  
Options  
To confirm.  
Del  
Until the display flashes  
Base setting.  
Options  
To display the base station name  
on your handset  
PIN  
Enter the 4-digit base station  
PIN. Original setting 0000.  
Your handset can display  
the name of the base station  
to which it is currently  
registered.  
Options  
Del  
Until the display flashes  
Call barring.  
Options  
The display flashes NO:.  
Options  
Del  
KEYPAD  
Enter the prefix number to  
be barred. (If you are barring  
international calls, enter 00).  
Until the display shows  
Show base.  
Options  
Options  
Display flashes HS.  
Del  
Until the display shows  
Base name.  
KEYPAD  
Enter the handset number(s)  
1-5 you want calls to be  
barred from.  
Options  
Del  
Until the display shows  
ON.  
To confirm. You hear a  
confirmation ring.  
Options  
Options  
To confirm the setting.  
Repeat the steps above to  
enter up to five separate  
barred prefixes.  
28  
To change the base station name  
If you choose to display the  
base station name on your  
handset (see above), you can  
give each base a different  
name. For example, ‘Office’  
or ‘Home’.  
Options  
Del  
Until the display shows  
Show base.  
Options  
Del  
Until the display shows  
Set new name.  
Options  
Del  
Until the base name you wish  
to change is flashed on the  
display.  
Options  
ABC  
Use the keypad to enter the  
new base station name.  
Options  
To confirm the setting.  
29  
Using additional handsets  
Registering an additional Synergy handset with the base station  
or de-registering a handset.  
As well as your original handset,  
you can register up to a further 4  
additional handsets to your Synergy  
2120 base station.  
At the handset:  
Press to display the available  
base station names BASE1-4.  
Del  
If your handset is already  
registered to another base,  
then the display shows  
next to the base name.  
The system allows internal calls  
between two handsets while a third is  
making an external call.  
Each additional handset you purchase  
must be registered with the base  
station.  
When a free base station  
number is displayed. Display  
then shows Searchingand  
the base station number.  
Options  
When the handset has  
Please note  
detected the base station  
signal, it gives a confirmation  
ring. You are asked to enter  
the base station PIN.  
Remember to charge the batteries of  
new handsets for at least 16 hours.  
When switched on, a new additional  
handset will display Not SUB.  
This tells you that the handset is not  
yet registered with the base station.  
PIN  
Enter the 4-digit base  
station PIN. The pre-set PIN  
is 0000. (To change the PIN,  
see page 27.)  
To register a handset  
The display shows the  
normal standby setting when  
the registration process is  
completed.  
Options  
At the handset:  
Options  
Until the display flashes  
Registration.  
The handset is automatically  
registered with the next  
available handset number.  
This number is shown on the  
Options  
At the base station:  
display as HS 2, 3 4or 5.  
,
Press the PAGE button and  
hold for at least 10 seconds,  
until you hear the validation  
tone.  
Page  
30  
Please note  
To call another handset  
Press the INT button. Display  
If the registration process fails, the  
handset display shows Not SUBand  
you should begin the process again.  
Int  
shows the INTsymbol and  
Internal.  
Enter the handset number  
you want. Display shows  
the number and the called  
handset rings.  
To de-register a handset  
Press buttons in the order shown  
Press the END button to end  
the call.  
You can use your handset to  
de-register another handset  
from a base station. You  
cannot de-register the  
handset you are using from  
the base station you are using.  
To transfer an external call to  
another handset  
Your caller is put on hold and  
you hear the dialling tone.  
Options  
Int  
Del  
Until display flashes Base  
setting.  
KEYPAD  
Enter the handset number to  
which you want to transfer  
the call. When the handset is  
answered  
Enter the 4-digit base station  
PIN, the pre-set PIN is 0000.  
Options  
Del  
Until the display shows  
Remove HS.  
The call is transferred.  
If the handset is not  
answered, press the INT  
button to speak to the  
caller again.  
Options  
Del  
Until the handset number  
you want to de-register is  
flashing.  
Options  
To confirm.  
31  
To hold a three-way conversation  
You can talk to one external  
call and another internal  
caller at the same time on  
your Synergy handset.  
During a call with an external  
caller:  
Your caller is put on hold and  
you hear a tone.  
Int  
KEYPAD  
Enter the handset number to  
which you want to transfer  
the call. When the handset is  
answered.  
Press and hold the button  
#
for a few seconds until the  
display clears. You can now  
start your three-way  
conversations.  
32  
Operating with additional  
base stations  
You can use up to five handsets on  
each Synergy 2120 base station, and  
up to four base stations with your  
handset to build up a comprehensive  
cordless telephone system.  
In this way when selecting  
your base station to operate  
from, the handset will  
automatically display your  
new base name, once it has  
established connection,  
e.g. name Base 1 as Home  
and Base 2 as Office.  
The handset supplied with each base  
station is already registered as HS1.  
To register your handset to  
another base station  
Please note  
When registering handsets to another  
manufacturer’s base, the assigned  
handset number may not appear in  
the handset display.  
You can register a handset  
with up to 3 other base  
stations.  
Follow the same steps shown  
on page 28, ensuring that  
you select a base station that  
is free i.e. one that has no ✱  
against it.  
To find out the handset number,  
press INT then 1 to call handset 1.  
Then look at the display on handset 1  
to see your handset number.  
Press and hold the PAGE  
Page  
button on the base station  
you want to register your  
handset to. It sends a unique  
signal and your handset will  
automatically accept it as the  
next base station.  
To avoid confusion you may  
wish to allocate a different  
name from your original base.  
This can be done by following  
the steps on page 29.  
33  
Connecting to a switchboard  
When connecting your Synergy 2120  
to a switchboard/PBX, you may need  
To enter a PSTN pre-fix code  
to change the dialling mode from  
TONE to PULSE.  
With some switchboards it  
may be helpful to dial a  
pause after entering the  
PSTN pre-fix code eg: 9,11  
etc. to enable you to get an  
outside line. However, your  
Synergy 2120 can enter a  
pause automatically for you.  
To change the dialling mode  
The dialling mode is set to  
TONE when the product is  
supplied.  
Options  
To change to PULSE.  
Options  
Del  
Until the display flashes  
Base setting.  
Del  
Until display flashes Base  
setting.  
Options  
Options  
PIN  
Enter the 4-digit base station  
PIN. Original setting 0000.  
PIN  
Enter the 4-digit base station  
PIN. Original setting 0000.  
Options  
Options  
Del  
Until the display flashes  
Dial mode.  
Del  
Until the display flashes  
PSTN prefix.  
Options  
Options  
Del  
Until the display flashes  
Pulse.  
KEYPAD  
Enter the pre-fix number  
you want. This can be up to  
5 digits.  
Options  
To confirm setting.  
Options  
To confirm the setting.  
Please note  
Each time the PSTN pre-fix code is  
dialled a pause will automatically be  
inserted before the telephone  
number is dialled.  
34  
Maintenance  
If you have to return your  
Synergy 2120  
General  
Simply clean your Synergy 2120 with  
a damp cloth (not wet) or an antistatic  
wipe. Never use a dry cloth as this  
may cause a static shock.  
Pack the unit securely, preferably in  
the original packaging. All parts must  
be returned including the mains power  
adaptor. We cannot take responsibility  
for goods damaged in transit.  
Service  
Within guarantee  
If you experience a problem with your  
Synergy 2120 you should contact the  
Synergy Helpline on 0845 602 1041.  
Calls are charged at local call rates.  
If the problem is not remedied, you will  
be advised to contact your original  
point of purchase.  
Some retailers offer extended warranty  
schemes for cover outside the initial  
12-month period. Please ask them for  
details.  
Outside warranty  
If your Synergy 2120 needs repair  
after the warranty period has ended,  
contact the Synergy Helpline on  
0845 602 1041 for information on  
our recommended repair agents.  
35  
Help  
BT accepts no responsibility for damage  
caused to your Synergy handset by  
using any other type of battery.  
Emergency calls  
The emergency services can be  
contacted in the UK by dialling 999  
or 112 which is valid in any country  
that is a member of the European  
community.  
No display appears  
The battery may be flat or dead.  
Recharge or replace the battery.  
No dial tone  
Is the telephone line cord plugged into  
the phone socket?  
Please note  
If your Synergy 2120 is connected to  
a switchboard/PBX, you may have  
to dial an access number before 999 to  
contact the emergency services. Some  
switchboards cannot dial out during  
a power failure.  
Check that the base station is connected  
to the mains power and switched on.  
You cannot link up with the base station  
If the display shows Not SUB, the  
handset must be registered with the  
Synergy 2120 base station. See page 30.  
The Synergy 2120 will not work  
when the power fails. Alternative  
arrangements should be made for  
access to emergency services.  
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?  
Battery could be low or flat.  
Replacing the handset battery  
After a time, you may find that the  
handset battery is running out of  
charge more quickly. This is a standard  
sign of wear and the battery will need  
replacing.  
If using more than one base station,  
check that you are connected to the  
correct base. See page 28.  
No ring on the handset or base station  
The ringer volume may be switched to  
silent. To adjust the ringer volume on  
the handset, see page 19, on the base  
station, see page 26.  
Spare batteries (Item Code 871996)  
are available from BT Shops or  
contact the Synergy 2120 Helpline  
0845 602 1041.  
Do not immerse batteries in water or  
throw them into a fire, or dispose of  
them with ordinary domestic refuse.  
Check that that the base station is  
plugged into the phone socket.  
36  
Check that that the base station is  
plugged into the mains power and  
switched on.  
If you are still experiencing difficulty,  
call the Synergy 2120 Helpline  
0845 602 1041.  
Buzzing noise on my radio, TV,  
computer or hearing aid  
Sometimes, your Synergy 2120 can  
interfere with other electrical  
equipment if it is placed too close.  
It is recommended that you place  
your Synergy 2120 and other Synergy  
handsets at least one metre away from  
such appliances to avoid any risk of  
interference.  
The charger does not appear to be  
working  
Check that:  
• the power adaptor is properly  
plugged in to the charger  
• your handset has slotted correctly  
into the charger  
• the battery is correctly fitted into  
the handset  
Are you using the correct power  
adaptor?  
Synergy 2120 base station power  
supply is Item Code 871997.  
Cannot adjust the option in the base  
station  
Is someone else making changes via  
another handset?  
Have you pressed the OPTIONS  
button to confirm your selection?  
If you are still experiencing difficulty,  
call the Synergy 2120 Helpline on  
0845 602 1041.  
Have you pressed the OPTIONS button  
to confirm your selection?  
37  
Technical information  
Connection to the BT telephone  
Environment  
network  
Your Synergy 2120 should be kept free  
of dust, moisture, high temperature,  
vibration and should not be exposed  
to direct sunlight. Do not stand it on  
carpets or other surfaces which  
generate fibres or place it in locations  
which prevent the free flow of air over  
its surfaces.  
Synergy 2120 is fully approved for  
connection to the BT network provided  
it is used according to the instructions  
in this guide. The telephone lines must  
provide Multi-frequency (Touch Tone)  
dialling capabilities.  
It may be connected to Direct Exchange  
Lines and switchboards (PBXs) with  
new plan (plug and socket)  
arrangements.  
Warning  
The apparatus is designed to be  
operated in a normal office or domestic  
environment where the relative  
humidity does not exceed 75%.  
It should not be used in bathrooms  
or near water.  
Connecting to switchboards  
Synergy 2120 is only approved for use  
with a compatible switchboard  
including those which do not provide  
secondary proceed indication.  
If the power fails  
Alternative arrangements should be  
made for access to emergency services.  
If you would like a list of suitable  
switchboards, contact BT on 154.  
If you do not have a compatible  
switchboard, it cannot be guaranteed  
that the product will operate correctly  
under all possible conditions of  
connection. If you have any difficulties,  
contact BT on 154.  
How many phones can you have?  
All items of telephone equipment have  
a Ringer Equivalence Number (REN),  
which is used to calculate the number  
of items which may be connected to  
any one telephone line. The Synergy  
2120 has a REN of 1. Any other  
instrument provided by BT may be  
assumed to have a REN of 1 unless  
otherwise stated. A total REN of 4 is  
allowed.  
Generally, Synergy 2120 can be  
connected to any switchboard where a  
simple modern telephone can be used  
to make and receive calls. Synergy 2120  
is suitable for connection to  
switchboards which return secondary  
proceed indication.  
38  
Technical specification  
Standard  
DECT, GAP  
Number of channels  
Radio frequency range  
Duplex method  
Channel spacing  
Bit rate  
120 duplex channels  
1880 MHz to 1900 MHz  
Time-division multiplexing. 10 ms frame length  
1728 kHz  
1152 kbit/s  
Modulation  
GFSK  
Voice coding  
32 kbit/s  
Transmitted power  
Range  
10 mW, average output per channel  
Up to 300 metres outdoors (uninterrupted line  
of sight)  
Up to 50 metres in buildings  
Power supply  
Base station 230 V/50 Hz (AC adaptor)  
3.6 VA  
Power consumption base station  
Operating time, mobile unit  
(with fully charged battery)  
Standby: up to 150 hours  
Phone in use: Up to 12 hours  
Permitted ambient conditions  
for operation (maximum)  
0˚C to 55˚C – Handset; 5˚C to 45˚C  
Base; 15% to 90% rel. humidity  
Permitted storage temperature  
Signalling method  
Signal key function  
Base station dimensions  
Handset dimensions  
Weight  
–10˚C to +60˚C  
DTMF and PULSE  
Timed Break Recall  
120mm x 126mm x 60mm (L x W x H)  
151mm x 46mm x 30mm (L x W x H)  
Base station: 175g  
Handset: 115g (with battery)  
39  
Index  
At a glance  
1, 2 Dialling mode  
15, 34  
15  
pulse  
Base station  
tone  
15  
additional  
33  
change base station name  
handset display  
melody  
29 Display symbols  
2
28  
Emergency number - Direct Call  
26  
12, 27  
27  
dial  
21  
21  
22  
PIN number  
set  
cancel  
priority, handset  
register handset  
ringer volume  
select which base station  
33  
26  
End a call  
13  
15  
35  
28  
Go back option  
Guarantee  
Batteries  
charging  
helpline  
11  
36  
10  
11  
11  
11  
36  
Handset  
additional  
30  
31  
31  
28  
14  
installing  
levels  
low warning  
performance  
replacing  
call another handset  
de-register  
display which base station  
earpiece volume  
keytones  
22  
Building up a phone system  
Call barring  
7
28  
25  
lock/unlock  
melody  
menu  
22  
19  
3
23  
Call waiting  
monitor  
Calls  
on/off  
13  
end  
make  
receive  
redial  
three-way calling  
transfer  
13  
13  
14  
14  
32  
31  
PIN number  
register  
12, 20  
30  
ringer volume  
ringer priorities  
three-way call  
transfer external call  
transfer  
19  
27  
32  
31  
31  
Cleaning  
35  
7
Help  
36  
DECT  
40  
Helpline  
36 Phone system – building up  
7
Introduction  
Key features  
Keypad lock/unlock  
Language display  
Lock - handset  
Lock keypad  
Location  
7
5, 6  
13  
PIN  
base station  
12, 27  
12, 20  
12  
handset  
pre-set  
23  
Power socket  
Power cable  
Recall  
10  
10  
15  
14  
14  
22  
13  
10  
Receive a call  
Mains adaptor  
Maintenance  
Make a call  
10  
Redial  
35  
REN (Ringer Equivalence Number) 38  
13  
Returning your Synergy 2120  
Room monitor  
35  
23  
9
Melody  
base station  
handset  
26  
19  
Safety instructions  
Secrecy  
14  
Menu  
3
Select services  
call waiting  
25  
25  
Monitor - Room  
switch off  
23  
24  
Service  
35  
10  
Notepad  
dial a number  
store a number  
store in phonebook  
view a number  
16 Setting up  
16  
17  
16  
Switchboard  
34  
34  
34, 38  
34  
dialling mode  
connecting  
PSTN pre-fix code  
Optional settings  
On/Off handset  
Pause  
19  
13 Switch handset on/off  
34 Technical information  
Telephone socket  
13  
38  
12  
39  
12  
32  
15  
Phonebook  
delete  
18  
18  
18  
18  
18  
17  
Technical specification  
delete all  
Telephone line cord  
Three-way conversation  
Tone dialling  
dial a number  
edit an entry  
pause  
store a name and number  
41  
Unpacking  
8
22  
13  
Unlock - handset  
Unlock keypad  
Volume  
earpiece  
14  
19  
26  
handset ringer  
base station ringer  
Warnings  
9
Warranty  
35  
42  
Offices worldwide  
CE compliant to 89/336/EEC  
(EMC Directive) & 73/23/EEC  
(Low Voltage Directive)  
The telecommunications services described in this publication  
are subject to availability and may be modified from time to time.  
Services and equipment are provided subject to British  
Telecommunications plc’s respective standard conditions of contract.  
Nothing in this publication forms any part of any contract.  
APPROVED for connection to  
telecommunication systems specified in  
the instructions for use subject to the  
conditions set out in them  
Touchtoneis a registered trade mark of  
British Telecommunications plc in the UK.  
© British Telecommunications plc 1999.  
Registered Office: 81 Newgate Street, London EC1A 7AJ.  
Registered in England No. 1800000.  
Designed by: The Art & Design Partnership Limited.  
Printed in China. Synergy 2120. Issue 1 (11/99) 4.4  
610310  
Printed on paper which meets international environmental standards.  

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