Motorola APX 6000 User Manual page 65

Programming Software. In addition,
you can have operator-selectable
keys, operator-selectable keysets,
and operator-selectable key
erasure. If talkgroups are enabled
in conventional, then the encryption
keys are strapped to the talkgroups.
If the radio is used for both
Trunked
Multikey conventional and trunked
applications, strap the encryption
keys for trunking on a per-talkgroup
or announcement-group basis. In
addition, a different key can be
strapped to other features, such as
dynamic regrouping, failsoft, or
emergency talkgroup. You can
have operator-selectable key
erasure.
Erasing the Selected Encryption Keys
This feature allows you to erase all or selected
encryption keys.
Erasing the single key in radios with the single-key
option and erasing all keys in radios with the
multikey option via the preprogrammed Top Side
(Select) button and Top (Orange) button:
a) Press and hold the Top Side (Select) button.
b) While holding Top Side (Select) button down,
press the Top (Orange) button.
The display shows PLS WAIT. When all the
encryption keys have been erased, the display
shows ALL 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)
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 dispatcher performs the rekey
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