NOTICE:
If the Multi-system Over-the-Air Rekeying feature is in use, the ASTRO profile name is
displayed below Keyloading.
2 Press Target → Load.
3 Perform one of the following actions.
• For single key, select Key.
• For multikey, select Group.
4 Select the required keys and press Load on the KVL.
The KVL indicates that keyload is successful.
2.11.3.2
Multikey Feature
This feature allows the radio to be equipped with different encryption keys and supports the DES-OFB
algorithm.
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 the radio is used for both 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.
2.11.3.3
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.
NOTICE: 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.
6875946M01-JK
Advanced Features
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