Motorola MILESTONE 3, User Manual, Page: 139 / 222

dispatcher performs the rekey operation upon receiving a
rekey request from the user.
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
.
NOTE:
The rekey operation failure indicates that
your radio does not contain the Unique
Shadow Key (USK).
MDC Over-the-Air Rekeying (OTAR) Page
This feature allows you to view or define MDC Over-the-Air
Rekeying (OTAR) features. It is applied only when
operating in secure encrypted mode and only for
conventional communications. In additional to Rekey
Requests, OTAR transmissions include Delayed
Acknowledgements, and Power-up Acknowledgements.
Some of the options selected may also need to be set up at
the Key Management Controller (KMC) site to work
properly.
NOTE:
This feature must be preprogrammed by a qualified
radio technician. Check with your dealer or system
administrator for more information.
Infinite UKEK Retention
This feature enables Unique Key Encryption Key (UKEK) to
be permanently stored in the radio even when all of the
encryption keys is erased. Without this UKEK key, the radio
cannot be rekeyed over the air.
NOTE:
This feature must be preprogrammed by a qualified
radio technician. Check with your dealer or system
administrator for more information.
English
Send Feedback
139
Draft