User manual

78
Special Radio Features
Over-the-Air Rekeying (Rekey Request) (ASTRO Conventional
Only)
The over-the-air rekeying (OTAR) feature 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.
Use the Menu
2 Before the keys are erased,
the display shows PLEASE
WAIT.
3 When all the encryption keys
have been erased, the
display shows ERASED.
1 Press U to find REKY.
2 Press D, E, or F directly
below REKY.
3 Press the PTT to send the rekey
request.
Note: Pressing the PTT again, or the Home or Emergency button,
will exit the feature and allow the user to transmit in the
normal manner.
4 If the display shows REKEY FAIL
and a bad-key tone sounds, the
rekey operation has failed.
Note: If this occurs, 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.
PLEASE WAIT
ERASED
REKY
REQUEST REKY
PLEASE WAIT
REKEY FAIL
94C26-K_XTS5000Mdl2.book Page 78 Friday, April 25, 2008 9:48 PM