AASTRA 7187a for MX-ONE EN - Manual (Page 30)

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Set Password - Configuration lock
The activation of the protection lock in the telephone is done in two steps:
First a four (4) digit password is defined by the user. Then the lock state must
be selected.
1. Press > PHONE SETTING > SET PASSWORD
2. Press numeric keys to input the OLD password (default – ‘0000’)
3. Press or to confirm the OLD password
4. Press numeric keys to input the NEW password
5. Press or to confirm the NEW password
6. Enter the NEW password again for reconfirmation
7. Press or to complete the setting
Set Lock state
The lock state protects the content of the phone book and speed dial
memories. It is possible to lock and unlock the protection function
1. Press > PHONE SETTING > SET LOCK STATE
2. When the display shows “ENTER PASSWORD”, enter the password
If the phone was locked:
1. The display shows “UNLOCK?”
2. Press or to unlock / Press or to quit without change
If the phone was unlocked (default):
1. The display shows “LOCK?”
2. Press or to lock / Press or to quit without change
Note: The phone was default unlocked. While the state is changed to
‘LOCK’, you need to enter password for deleting the speed dial memory keys
and phonebook entries that are lock protected (see “Menu Operation”)
LCD Contrast
1. Press > PHONE SETTING > LCD CONTRAST
2. Press or to adjust the display contrast
3. Press or to confirm