Procedure:
1 Attach the KVL to your radio.
The display shows KEYLOAD and all other radio functions, except for power down, backlight, and
volume, are locked out.
NOTE:
If the Multi-system Over-the-Air Rekeying feature is in use, the ASTRO profile name is
displayed below KEYLOAD.
2 Select the required keys and press Load on the KVL.
The KVL indicates that keyload is successful.
7.14.3.2
Multikey Feature
This feature allows your 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 Customer Programming
Software (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.
7.14.3.3
Erasing Encryption Keys
If the Multi-system Over-the-Air Rekeying feature is in use, the keys erased are only for the current
secure profile of the selected channel. The erase all option operates as configured by the dealer or
system administrator. Erasing all keys using the Top (Orange) button and the Top Side (Select) button
erases all keys in all keylists in the radio.
Procedure:
• Erasing the single key in radios with the single-key option and erasing all keys in radios with
the multikey option by using 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.
MN002667A01-AV
Chapter 7 : Advanced Features
59
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