User's Manual

OPERATING THE TRANSCEIVER
USING ENCRYPTION
84 ENVOY™ TRANSCEIVER GETTING STARTED GUIDE
Selecting a secure key
If an encryptor contains two or more keys, you have the option of
selecting a different key for encryption, if permitted. When
AES-256 digital voice and data encryptors are used together, the
selected key is common to both.
To select a secure key:
 If you are using a 2220 Handset or 2230 Desk Console, do
one of the following:
• From the main menu, select (General), then
(Secure).
• Hold
SEC.
 If you are using a 2221 Handset:
• From the main menu, select (Functions).
• Press or to scroll to the Secure Info function.
• Press (OK).
 Press or to scroll to the Select Key Index entry.
 Press or to select the secure key index that you want to
use.
Hold the key to scroll rapidly through the secure key
indexes.
 Press (OK).
The transceiver goes secure on the selected key.