User's Manual

21 M510 Ver. 1.1.5
Menu 6. Utility
- Country
- Calculator
Menu 7. <Security>
Select the Soft Key(MENU) on the left in an initial call waiting state,
and select [6. Security]. Then a message will appear on the LCD to
request the Lock Code. If you fail to enter the correct Lock Code of
four characters, the process will not proceed to the following low level
menu. And if the Lock Code is not correct, the process will return to
the Main Menu.
1. Lock Mode ( F [MENU]-7-1 )
Set the terminal lock function to either “On Power Up”, “Never”, or “Always” with the
direction key.
2. Restrict ( F [MENU]-7-3 )
This service enables restriction on the call service. Select either “Yesf” or “No” with the
direction key. The call service will be restricted only to the emergency phone numbers.
However, call termination is available.
3. Clear Callinfo (F [MENU]-7-5 )
This service enables clearing of all the call information in the Memory. Select either “Yes” or
“Back” with the direction key. Select “Yes”, then a message will appear on the LCD to
confirm the command before the service clears the information. Select “Yes” to clear the
information requested.
4. Clr Memory (Erase Phone Book) ( F [MENU]-7-4 )
This service enables erasing of all the information in the Phone Book. Select either “Yes” or
“Back” with the direction key. Select “Yes”, then a message will appear on the LCD to
confirm the command before the service erases the information. Select “Yes” to erase the
information requested.
5. Emergency # ( F [MENU]-7-5 )
This service enables entering of the emergency phone numbers up to three.
It has two items of “Edit”, and “Next” as the Submenu. Select “Edit” to view the
emergency phone numbers. If the memory address is empty, the message “Empty” will be
indicated. Select “Add”, enter the phone number requested and then select the Soft