User's Manual

ENCRYPTION
CES-128 VOICE ENCRYPTION
294 ENVOY™ TRANSCEIVER REFERENCE MANUAL
Setting the CES-128 mode
CES-128 voice encryption operates in one of two modes: Corporate or Global. The
default CES-128 mode is used when encryption is activated.
NOTE: If it is standard operating procedure for users to switch between Global
and Corporate modes on-the-fly, set up a macro to toggle the CES-128
Mode entry.
To set the default CES-128 mode:
 From the main menu, select (Settings), then (Security).
 Press or to scroll to the CES-128 Mode entry.
 Press or to select the secure mode that you want to use by default for the
CES-128 encryptor.
 Press (Save) to save the information.
 Press (Close).
Related links:
Secure mode on page 293
Creating a macro to toggle a setting on page 260
CES-128 Mode on page 236
Setting the CES key prefix
A secure key is contained within a secure index. This index has a name that is used to
identify it. The name comprises a prefix followed by a sequential number. The CES
key prefix applies to all key indexes used by the CES-128 encryptor in the transceiver.
To set the CES key prefix:
 From the main menu, select (Settings), then (Security).
 Press or to scroll to the CES Key Prefix entry.