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BARRETT PRC-4090 TACTICAL HF SDR TRANSCEIVER - ADVANCED OPERATION
Mute
The mute function suppresses the chan-
nel noise heard by the operator. It is
designed to open (allow noise) when the
transceiver detects audio, a large enough
signal or a call (depending on the mute
type selected).
There are three types of mute available
from the Home Screen.
Press and hold the active mute icon to
select from one of the following three
mute types:
The example opposite shows SSL
Mute.
After two seconds, the Mute indi-
cator is hidden and replaced by the
channel label.
• Voice Mute When using analogue voice, Voice Mute allows audio only
when speech is detected on the selected channel. When
Digital Voice is active, Voice Mute additionally opens for
digital signals.
Note: The voice mute sensitivity can be set to three levels.
• SSL Mute Allows audio only if signal strength exceeds the nominated
threshold (analogue or digital signals).
Note: The signal strength mute level can be set to three levels.
• Call Mute Allows audio when a call is sent to the transceiver. When
Digital Voice is also active, Call Mute allows audio only
when digital voice trafc is detected.
Mute
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