User guide

Table Of Contents
65BusinessPhone Cordless DT400/DT410/DT420/DT430
Security
Change lock code
For security reasons, it is recommended to change the lock code
from time to 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 display shows:
z
Enter the actual lock code
O
Press to confirm
The display changes to:
z
Enter the new lock code (1 to 4 digits)
O
Press to confirm
The new lock code is set.
C
Press to exit the menu
Note: If you cannot remember the lock code, please
contact your system administrator.
Current
code:
Code: