NARDA IDA - Page 129

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.