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ADVANCED FEATURES 
Secure Operations  
Managing Encryption – Erasing Encryption Keys 
174 
If the Multi-system Over-the-Air Rekeying feature is 
in use, the keys erased are only for the current 
secure profile of the selected channel. The erase all 
option operates as configured by the dealer or 
system administrator. Erasing all keys using the Top 
(Orange) button and the Top Side (Select) button 
erases all keys in all keylists in the radio. 
 
Procedure: 
1. From the home screen, scroll left or right to 
Eras. 
2. Press the Menu Select button directly below 
Eras. 
The display shows the last user-selected and 
stored encryption key, and the available menu 
selections. 
3. Scroll up or down to the desired encryption key. 
OR 
Use the keypad to enter the number of the 
desired key. 
4. Press the Menu Select button directly below 
Optn. 
  The display shows the available key erase 
options.   
5. Scroll up or down to the required option and 
press the Menu Select button directly below Sel.  
6. Select Erase all keys? or Erase single key? by 
pressing the Menu Select button below Yes to 
erase the encryption key(s) in the radio. 
  You can return to the previous screen by pressing 
the Menu Select button below No. 
7. Press the Menu Select button directly below All 
to delete all keys, or press the Menu Select 
button directly below Sngl to delete the current 
shown key. 
  You can abort this screen and return to the Home 
screen by pressing the Menu Select button 
directly below Abrt.