User guide

Security
BusinessPhone – Cordless DT400/DT410/DT420/DT43066
Lock phone
Note: To use this feature, you have to select a lock code
first.
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Press to enter the menu
fO
Select “4 Settings” and press
fO
Select “1 Phone lock” and press
fO
Select “1 Lock phone” and press
The display shows:
z
Enter your code (1 to 4 digits)
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Press to confirm
Now your Cordless is locked. If you press a key, the display will
show:
To use your Cordless, you’ll have to enter the lock code, see
“Unlock phone” on page 67.
Code:
Phone locked