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PIN Protect
Network access protection is configured by your Service 
Provider:
• No access to network operation
 – you can only send or 
receive Emergency Calls and adjust the volume level. Unit 
lock takes effect at the next power on. 
To protect access to network operation:
1. From the main menu, select Security > PIN Protect. On is 
highlighted.
2. Press Select.
3. At the Code prompt enter the 4-digit code (factory setting 
0 0 0 0). To avoid disclosure of the code, asterisks are 
displayed instead of the code digits. The display will show 
the following message:
Unit Locked
 – you entered the correct code. The display 
returns to the Security sub-menu and shows the active 
setting: On
.
To unlock the MTM800E before powering off:
1. From the main menu, select Security > PIN Protect. Off is 
highlighted.
2. Press Select.
3. At the Code prompt enter the 4-digit code.The display will 
show the following message:
Unit Unlocked
 – you entered the correct code. The display 
returns to the Security sub-menu and shows the active 
setting: Off
.
To unlock the MTM800E after powering on, enter the code at 
the prompt. The MTM800E enters the Home display.
If you fail to enter the correct code, the following message will 
be displayed:
Incorrect Code Entered
 – you are prompted to try again. 
After failing, your MTM800E will be blocked. Please check 
with your Service Provider how many failed attempts are 
allowed.