Ericsson DT400 User Manual page 65

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BusinessPhone – Cordless DT400/DT410/DT420/DT430
Change lock code
For security reasons, it is recommended to change the lock code
from time to time:
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Press to enter the menu
Select "4 Settings" and press
Select "1 Phone lock" and press
Select "2 Set lock code" and press
The display shows:
Current
code:
z
Enter the actual lock code
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Press to confirm
The display changes to:
Code:
z
Enter the new lock code (1 to 4 digits)
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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.
Security
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