Advanced Features
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49
Managing Encryption
Loading an Encryption Key†
Note: Refer to the key-variable loader (KVL) manual for
equipment connections and setup.
Procedure:
1 Attach the KVL to your radio.
2 All other radio functions are locked out, except for power
down, backlight, and volume.
3 Select the required keys and press the Menu Select button
directly below LOAD on the KVL. This loads the encryption
keys into your radio.
4 When the key has been loaded successfully, your radio
sounds a short tone for single-key radios.
OR
When the key has been loaded successfully, your radio
sounds an alternating tone for multikey radios.
5 The KVL prompts that keyload is successful.
Using the Multikey Feature
This feature allows your radio to be equipped with different
encryption keys and supports the DES-OFB algorithm.
There are two types:
• Conventional Multikey – The encryption keys can be tied
(strapped), on a one-per-channel basis, through Customer
Programming Software. 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 may be strapped to other features,
such as dynamic regrouping, failsoft, or emergency talkgroup.
APX_3000_M1.book Page 49 Thursday, November 7, 2013 4:48 PM
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