Sharp HRO00084 User Manual page 139

Function Lock
By setting this option on, all the functions of your
phone will be locked until the correct handset code is
entered.
Enter your handset code after selecting "Function Lock".
To Turn Off the Function Lock
Enter your handset code in stand-by to turn the
Function Lock off.
Phonebook Lock
The Phonebook Lock function prevents unauthorised
use of your Phonebook.
Select "On" to lock or "Off" to unlock for "Phonebook
Lock" and enter your handset code.
The default handset code is "9999". For details on
changing the handset code, see "Changing the Handset
Code".
138 Settings
History Lock
The History Lock function prevents unauthorised
access to Call Log. By setting this option on, Call Log
cannot be viewed until the correct handset code is
entered.
Press [Check] to lock or [Uncheck] to unlock.
Showing Secret Data
By setting this option on, the hidden data can be
displayed.
Select "On" to display or "Off" to hide for "Show
Secret Data". Enter your handset code when you select
"On".
The default handset code is "9999". For details on
changing the handset code, see "Changing the Handset
Code".
Note
• The hidden data can be displayed temporarily by
shaking the phone. For details, see "Showing Secret
Data Temporarily" on page 30.
Changing the Handset Code
The default handset code is "9999".
Select "Change Handset Code" and enter the old
handset code, then enter a new handset code twice.