User guide

Security
BusinessPhone – Cordless DT400/DT410/DT420/DT43064
Phone lock
You can protect your Cordless from being used by unauthorized
persons by locking it. The lock is manually activated. To use this
feature, you have to select a lock code first.
Select lock code
If you have not entered a code before and want to set the code for
the first time:
O
Press to enter the menu
fO
Select “4 Settings” and press
fO
Select “1 Phone lock” and press
fO
Select “2 Set lock code” and press
The second row of the display is empty:
z
Enter a lock code
The code may consist of 1 to 4 digits (no characters).
O
Press to confirm
The lock code is set.
C
Press to exit the menu
Code: