OPERATING THE TRANSCEIVER
USING DIGITAL VOICE
74 ENVOY® TRANSCEIVER GETTING STARTED GUIDE
NOTE: If you want to suppress any noise burst on a
connected or built-in loudspeaker during an
operational event (for example, changing a channel
or mode) select the Muted unless digital voice
check box in Settings > Security > Digital
Voice Options.
To select digital voice mute:
1 Switch off scanning.
1 If you are using a 2220 Handset or 2230 Desk Console,
press
SEC, then press V/S until D is shown in the centre of
the status bar on the channel screen.
1 If you are using a 2221 Handset:
•Press (Options).
• Press or to scroll to the Secure On option.
•Press (Select).
•Press (Options).
• Press or to scroll to the V/S/D option.
•Press (Select).
• Repeat these steps until D is shown in the centre of
the status bar on the channel screen.
Related links:
Digital voice mute on page 68
DV option without AES-256
Encryption upgrade (in Tx) All encrypted digital voice (in Tx)