User's Manual

OPERATING THE TRANSCEIVER
USING ENCRYPTION
ENVOY™ TRANSCEIVER REFERENCE MANUAL 103
 If you are using CES-128 voice encryption with a 2221 Handset, do the
following to go to secure standby mode:
•Press (Options).
• Press or to scroll to the Standby On option.
•Press (Select).
Related links:
Selecting an encryptor on page 277
CIVS voice scrambler on page 289
CES-128 voice encryption on page 292
AES-256 digital voice encryption on page 303
AES-256 digital data encryption on page 309
Secure Start State on page 238
Setting the secure state of all encryptors at power up on page 288
Standby mode on page 297
Entering a PIN for a secure session on page 296
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.