Erasing the Selected Encryption Keys
This feature allows you to erase all or selected encryption
keys.
The following methods are options on how to erase the
selected encryption keys. The result of all the methods is
the same. You can use the options interchangeably
depending on your preference and the programmed
functions.
• Erasing the selected encryption keys via the radio
menu:
a. or to Eras and press the Menu Select
button directly below Eras.
The display shows the last user-selected and
stored encryption key, and the available menu
selections.
b. or to the desired encryption key or use
the keypad to enter the number of the desired
key.
c. Press the Menu Select button directly below
Optn.
The display shows the available key erase
options.
d. or to the required option and press the
Menu Select button directly below Sel.
e. 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.
Requesting an Over-the-Air Rekey
(ASTRO Conventional Only)
Ensure that the Unique Shadow Key (USK) is loaded into
the radio with the key-variable loader (KVL) before the
rekey request can be sent. Refer to your local key
management supervisor for more information.
This feature, also known as OTAR, allows the dispatcher to
reprogram the encryption keys in the radio remotely. The
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