AASTRA DT590 for MD Evolution User Guide EN - Manual (Page 112)

More Features on your Extension
MD Evolution – Cordless DT590 242
Phone Lock
You can protect your phone against unauthorized use or against
adding or deleting telephone network subscriptions. Both security
features are off by default. See also section “ PIN Code ” on
page 149.
Securing against unauthorized use
You can set the phone so that the PIN code must be entered after
switching on.
Route: Menu » Toolbox » Locks » Phone lock ¾
Press.
º
Select the “Toolbox”.
º Ь Ы
Select the menu item “Locks” and confirm.
The following options are available:
•
Key Lock (Automatic/Off)
• Phone lock (On/Off) Ü º Ь Ы
Select the menu item “Phone lock” and confirm.
The following options are available:
•
On
• Off º Ь Ы
Select the menu item “On” and confirm.
¿ Ь Ы
When using the phone for the first time, enter the
New code(2) and confirm.
¿ Ь Ы
For changing the code, enter the current code (Old code) and
confirm.
¿ Ь Ы
Enter the digits of the new code (New Code(1)) and confirm.
¿ Ь Ы
Enter the new code (New Code(2)) again and confirm.
Either the new code is accepted or “Wrong Code!” is displayed if
you have entered a number that does not match the current code.
When the new code is accepted, the phone lock is enabled.
Note the new code for future use.