Advanced Features
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50
Erasing All the Selected Encryption Keys‡
This feature allows you to erase all or selected encryption keys.
Procedure:
Use the preprogrammed Top Side button and Top 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 button.
2 While holding Top Side button down, press the Top
(Emergency) button.
3 The display shows PLS WAIT.
4 When all the encryption keys have been erased, the display
shows ALL ERASED.
Note: DO NOT press the Top/Emergency button before
pressing the Top Side button, unless you are in an
emergency situation as this sends an emergency
alarm.
Requesting an Over-the-Air Rekey (ASTRO Only)†‡
This feature, also known as OTAR, allows your dispatcher to
reprogram the encryption keys in your radio remotely. Your
dispatcher performs the rekey operation upon receiving a rekey
request from you.
Procedure:
1 Press and hold the preprogrammed Rekey Request button
to send the rekey request.
2 If the rekey operation fails, a bad-key tone sounds and the
display shows RKY FAIL.
Note: The rekey operation failure indicates that your radio
does not contain the Unique Shadow Key (USK). This
key must be loaded into your radio with the key-
variable loader (KVL) before the rekey request can be
sent.
Refer to your local key management supervisor for
more information.
APX_3000_M1.book Page 50 Thursday, November 7, 2013 4:48 PM
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