If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp 
Base settings 51
The default 4 digit system PIN 
is 0000.
You cannot delete the handset 
you are using to carry out this 
action.
Once a handset is deleted it 
will be removed from the list 
of registered handsets and the 
 icon will disappear from the 
display and 
Register
 will  
be shown.
The default 4 digit system PIN 
is 0000.
If you enter a digit incorrectly, 
select 
 to delete it.
Delete a handset
Deleting a handset will de-register it from the 
BT3920 base station. For more information on 
using additional handsets and to register a handset, 
see page 56.
1. Select Menu, scroll 
Calls
 to display 
Change
 
PIN
 and select  . 
3. 
Old
 
PIN?
 is displayed. Enter the existing 4 digit PIN 
and select 
.
4. 
New
 
PIN?
 is displayed. Enter a new 4 digit PIN and 
select 
. 
5. 
Confirm?
 is displayed. Enter the new PIN again and 
select 
. You will hear a confirmation tone.