Hytera MT680 Tetra - PIN Code Security and Changing; Managing the Contacts

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Owner’s Manual
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the home screen, and then go to “Settings -> KP Lock -> On”. After this feature is enabled, keypad will
get locked automatically when the preset time (preset by the dealer) expires. Then you can press the OK
key and then
to unlock the keypad.
7.6 PIN Code Security and Changing
PIN code can prevent unidentified users from using your terminal. To enable or disable the PIN Code
feature, enter the Function menu from the home screen by pressing the Function/P1 key or OK key,
and then go to “Settings -> Security -> PIN Code”. Every time you need to change the settings, it is
required to input the PIN code first (default PIN code: 1234, preset by the dealer).
With this feature enabled, you will need to enter the correct PIN code prior to operating the terminal after
turning it on. If you input the wrong code for 3 times (predefined by the dealer), the terminal will be
locked. Then you will need to enter the correct PUK code (default PUK code: 12345678) to reset the PIN
code. To change the PIN code, go to “Settings -> Security -> ChangePIN”, and input the correct current
PIN code prior to changing the code.
7.7 Managing the Contacts
7.7.1
Contact List
The contact list saves the information of individual call contacts. To view the list, press the Function/P1
key or OK key to enter the Function menu and then go to the “PhoneBook” menu.
7.7.2 New Contact
To add a new contact, you can enter the Function menu by pressing the Function/P1 key or OK key and
go to “PhoneBook”. Then press the OK key to enter “Options -> New Contact” to add a new contact:
enter the contact’s alias in the editing screen, and press the OK key to enter the “Input No.” screen to
input the contact number. At last, press the OK key again to select the call type (“Private No.”, “PABX” or