NARDA IDA, Operating Manual, Page: 129 / 292

6.13 Demodulating signals (Audio)
Narda IDA - 3106
121
6.13.4 Altering the volume (Volume)
1.
Press the
Volume
softkey.

The selection window opens.
2.
Use the rotary control knob to select the desired volume.

The volume changes immediately.
3.
Press
OK
or
ESC
to close the window.
NOTE:
The volume can also be set using the arrow keys:
= softer, = louder
6.13.5 Activating the squelch function (Squelch)
You can use the
Squelch
softkey to set suitable noise suppression. The
response threshold is set relative to the Reference Level. The
Squelch
softkey is displayed for all signal types except
FM
.
To activate squelch:

The Audio menu is active and you have selected the signal type AM,
CW, LSB or USB.
1.
Press the
Squelch
softkey.

The selection window opens.
2.
Use the rotary control knob to select the desired value and press
OK
to
confirm.
3.
To deactivate noise suppression press the
Squelch
softkey, select
Off
with the rotary control knob (last item in the list), and press
OK
to
confirm.