Erasing Encryption Keys
Keys that are erased from the radio are also removed from
the key database of the associated ASTRO OTAR profile.
Do one of the following to erase the selected encryption
keys. You can use the options interchangeably depending
on your preference and the programmed functions.
• Erasing the selected encryption keys using 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 All
to delete all keys, or press the Menu Select
button directly below Sngl to delete current
shown key.
You can abort this screen and return to Home
screen by pressing the Menu Select button
directly below Abrt.
Requesting an Over-the-Air Rekey
Ensure that the Unique Shadow Key (USK) or Unique Key
Encryption Key (UKEK) is loaded into the radio with the
Key Variable Loader (KVL) while selected to the channel
with the intended ASTRO OTAR profile selection before the
rekey request can be sent. Refer to your local key
management supervisor for more information.
1
or to Reky.
2
Press the Menu Select button directly below Reky.
3 Perform one of the following actions:
• Press the PTT button to send the rekey request.
• Press the PTT button again, or the or
Emergency button, to exit the feature and
transmit in normal mode.
If the rekey operation fails, you hear a bad-key tone
and the display shows Rekey fail.
NOTICE:
The rekey operation failure indicates that
your radio does not contain the USK.
English
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