Advanced Features
English
100
directly below Yes to erase the displayed encryption key
OR No to return to the previous screen.
7 Press H, the PTT button, or the Menu Select button directly
below Exit to exit.
OR
Turn the 16-Position Select knob to exit.
OR
Use the preprogrammed Top Side (Select) button and Top
(Orange) button to erase the single key in radios with the
single-key option, and to erase all keys in radios with the
multikey option.
1 Press and hold the Top Side (Select) button.
2 While holding Top Side (Select) button down, press the Top
(Orange) button.
3 The display shows Please wait.
4 When all the encryption keys have been erased, the display
shows All keys erased.
Note: DO NOT press the Top (Orange) button before
pressing the Top Side (Select) button, unless you are
in an emergency situation as this sends an emergency
alarm.
Requesting an Over-the-Air Rekey (ASTRO
Conventional Only)
This feature, also known as OTAR, allows the dispatcher to
reprogram the encryption keys in the radio remotely. The
dispatcher performs the rekey operation upon receiving a rekey
request from the user.
Procedure:
1 < or > to Reky.
2 Press the Menu Select button directly below Reky.
3 Press the PTT button to send the rekey request.
OR
Press the PTT button again, or the Home or Emergency
button, to exit the feature and transmit in normal mode.
4 If the rekey operation fails, you hear a bad-key tone and the
display shows Rekey fail.
Note: The rekey operation failure indicates that your radio
does not contain the Unique Shadow Key (USK). This
key must be 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.
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