Operation Manual

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74 Blocking keys and extra security
Securing against unauthorized use
You can set the handset so that the PIN code must be entered after switching
on. This option is off by default.
To enable or disable protection against unauthorized use:
Route:
Handset » PhoneLock » PowerOn
1. Select PowerOn and press YES.
Enter PIN : is displayed.
2. Enter the PIN code for the handset (see page 78) and press
YES.
The current setting is displayed.
3. Press
UP or DOWN to select the setting you want.
4. Press
YES to confirm.
The security setting against unauthorized use has been changed.
Securing against adding or deleting subscriptions
You can set the handset so that the PIN code must be entered when adding or
deleting base station subscriptions. This option is off by default.
To enable or disable protection against adding or the deletion of
subscriptions:
Route:
Handset » PhoneLock » Subscript
1. Select Subscript and press YES.
Enter PIN : is displayed.
2. Enter the PIN code for the handset (see page 78) and press
YES.
The current setting is displayed.
3. Press
UP or DOWN to select the setting you want.
4. Press
YES to confirm.
The security setting has been changed.
See also “Subscribing to a base station” on page 100 and “Deleting subscrip-
tion” on page 104.
The handset is initially provided with a pre-set PIN code (see page 78). You
should change this PIN code to a personal PIN code to prevent misuse.
To change the handset PIN code:
Route:
Handset » PhoneLock » ChangePIN
1. Select ChangePIN and press YES.
EnterOldPIN : is displayed.
2. Enter the current PIN code for the handset (see page 78) and press
YES.
Either
EnterNewPIN: or Wrong PIN is displayed. In the latter case, you have
entered a number that does not the match the current PIN code.
3. Enter the four digits of the new PIN code and press
YES.
RepeatNewPIN is displayed.
CHANGING THE HANDSET PIN CODE