Codan Envoy Reference Manual page 377

1
1
Locking the Vocoder data rate
The Vocoder data rate for AES-256 digital voice encryption can be locked so that the
user cannot change it. You must select the rate that you want to use before locking it.
To lock the Vocoder data rate:
1
1
1
1
1
1
E ™ T R
NVOY RANSCEIVER EFERENCE
Press or to select the Vocoder data rate that you want to use.
Press (OK).
Select the Vocoder data rate that you want to use.
From the main menu, select
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.
M
ANUAL
(Settings), then (Security).
E
NCRYPTION
AES-256
ENCRYPTION
355