OPERATING THE TRANSCEIVER
USING DIGITAL VOICE
72 ENVOY™ TRANSCEIVER GETTING STARTED GUIDE
Selecting the digital voice rate
The digital voice rate sets the speed with which digital voice
transmissions are sent. The digital voice rate is shown in status area 1 of
the screen. Use the lowest digital voice rate in the first instance, then if
good HF propagation conditions exist, a higher rate may be selected.
The rates from which you can select depend on the vocoder options that
you have installed.
NOTE: Receiving DV stations, which have both MELPe and
TWELP vocoders available by default, automatically
switch to the appropriate rate and vocoder type when a
signal is detected.
NOTE: If you change the digital voice rate frequently, you should
consider assigning the Next Digital Voice Rate macro
from Unassigned to a hot key. For detailed information
on editing a macro, please see the Reference Manual.
To select a different digital voice rate:
1 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.
1 If you are using a 2221 Handset:
• From the main menu, select (Functions).
• Press or to scroll to the Secure Info function.
•Press (Select).
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