Chapter 14
Secure Operations
Secure radio operation provides the highest commercially available level of voice security on both
trunked and conventional channels.
By default, the radio automatically enters the encrypted environment without having to manually select
or clear the secure transmission.
14.1
Toggling between Secure and Clear Transmission
Procedure:
Turn the Secure/Clear switch to the required position.
If the Secure/Clear selection differs from the security settings of the channel when you attempt
to transmit, the Radio Control Widget shows Secure Tx Only or Clear Tx Only.
14.2
Selecting Encryption Keys (Conventional Only)
This feature allows you to change the encryption key from an active keyset.
Procedure:
1 From the Home screen, tap
More.
2 Tap Select Key, then select the required encryption key.
14.3
Changing Encryption Keysets
Procedure:
1 From the Home screen, tap More.
2 Tap Change Keyset, then select the required encryption keyset.
3 Tap Change to confirm the request.
14.4
Infinite UKEK Retention
This feature enables Unique Key Encryption Key (UKEK) to be permanently stored in the radio even
when all the encryption keys are erased. Without this UKEK key, the radio cannot be rekeyed over the
air. The Infinite UKEK Retention settings can be different for each secure profile.
NOTICE: This feature must be preprogrammed by a qualified radio technician. Check with your
dealer or system administrator for more information.
MN005642A01-AG
Chapter 14: Secure Operations
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