There are two types of encryption keys:
Conventional Multikey
The encryption keys are strapped on a one-per-channel basis, through CPS. 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.
Trunked Multikey
If both conventional and trunked applications are applied, strap the encryption keys for trunking
on a per-talkgroup, or announcement-group basis. Also, a different key can be strapped to other
features such as dynamic regrouping, failsoft, or emergency talkgroup. You can have operator-
selectable key erasure.
6.16.3.3
Selecting Encryption Keys
Procedure:
1
or to Key.
2 Press the Menu Select button directly below Key.
The display shows the last user-selected and stored encryption key, and the available menu
selections. If the Multi-system Over-the-Air Rekeying feature is in use, the list of keys displayed
is only for the current secure profile of the selected channel.
3 or to scroll through the encryption keys or use the keypad to enter the number of the
desired key.
4 Perform one of the following actions:
• Press the Menu Select button directly below Sel to save the newly selected key and return
to the Home screen.
• Press
, the PTT button, or the Menu Select button directly below Exit.
NOTE: When the selected key is erased, you hear a momentary keyfail tone and the
display shows Key fail.
When the selected key is not allowed, you hear a momentary illegal key tone and the
display shows Illegal key.
6.16.3.4
Selecting Keysets
When and where to use:This feature allows you to select one or more groups of several encryption
keys from among the available keys stored in the radio.
For example, you could have a group of three keys structured to one keyset, and another group of
three different keys structured to another keyset; by changing keysets, you would automatically switch
from one set of keys to the other.
Every channel to which one of the original keys was tied now has the equivalent new key instead.
Procedure:
1 or to KSet and press the Menu Select button directly below KSet.
The display shows the last user-selected and stored keyset, and the available keyset menu
selections. If the Multi-system Over-the-Air Rekeying feature is in use, the displayed keysets are
only for the current secure profile of the selected channel.
2
or to scroll through the keysets or use the keypad to enter the number of the desired
keyset.
MN006147A01-AE
Chapter 6: Advanced Features
82
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