21 TM220 Ver. 1.0
5. Audio AGC (
[MENU]-6-5)
Menu 7. <Security>
Select the Soft Key(MENU) on the left in an initial call
waiting state, and select [7. 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 (
[MENU]-7-1 )
Set the terminal lock function to either “On Power”,
“Never”, or “Always” with the direction key.
2. Restrict (
[MENU]-7-2 )
This service enables restriction on the call service.
Select either “Yes” or “No” with the direction key. The
call service will be restricted only to the emergency
phone numbers. However, call termination is available.
3. Emergency # (
[MENU]-7-3 )
This service enables entering of the emergency phone
numbers up to three.
It has two items of “Edit”, and “Quit” as the Submenu.
Select “Edit” to view the emergency phone numbers and
input mode. If the memory address is empty, the message “Empty” will be