User's Manual

ENCRYPTION
AES-256 ENCRYPTION
306 ENVOY™ TRANSCEIVER REFERENCE MANUAL
To lock the data rate:
 Select the data rate that you want to use.
 From the main menu, select (Settings), then (Security).
 Press or to scroll to the Digital Voice Options entry.
 Press .
 Ensure that the Lock data rate value is highlighted.
 Press (OK) to select the check box.
When the check box is selected, the item is enabled. When the check box is
clear, the item is disabled.
 Press (Save) to save the information.
 Press (Close).
Related links:
Selecting the data rate on page 305
Digital Voice mute
When the AES-256 digital voice encryptor is switched on, you have the option of
selecting Voice mute (V), Selcall mute (S), or Digital Voice mute (D). Digital Voice
mute enables only digitally encrypted voice to be processed through to the user. Voice
mute enables all clear and encrypted voice detected at your station to be processed,
and Selcall mute enables clear and encrypted voice that is directed to your station to
be processed.