Avtec USB NENA - Page 12

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6.
In the Settings section, from the Receive Audio Mode dropdown, select FULL DUPLEX.
7.
Enter the value of the Windows microphone level, as a percentage, for this jack box in the Windows Input Level
(%) field. Range: 0 to 100. Default:25.
IMPORTANT
Always set the Windows Input Level (%) through the Console Configuration webpage. Never set it through
the Windows Control Panel.
8.
In the Mic Gain (dB) field, enter the value of gain adjustment, in decibels, that the Software Media Workstation
should apply to the jack box. Range: –40 to 40 dB. Default:0 dB.
NOTE
Mic Gain (dB) adjustments should only be made in small increments.
9.
From the VAGCdropdown, select whether or not to enable Voice Automatic Gain Control to adjust the level of
voice audio entering the jack box from the field. Default:DISABLED.
If ENABLEDis selected from the VAGCdropdown, the following fields display:
a.
In the VAGC Low Target (dB) field, enter the minimum audio level of the range in which
VAGCapplies gain to audio entering the device so that audio the dispatcher hears remains in this
range. Range: –30 to 0 dB. Default:–20 dB.
NOTE
The VAGC Low Target (dB) value must be less than the VAGC High Target (dB) value.
b. In the VAGCHigh Target (dB) field, enter the maximum audio level of the range in which
VAGCapplies attenuation to audio entering the device so that audio the dispatcher hears remains in
this range. Range: –30 to 0 dB. Default:10 dB.
c. The VAGC Max Loss (dB) field, enter the maximum amount of attenuation VAGC will apply for
receive audio to remain at or below the VAGC High Target (dB). Range: 0 to 23 dB. Default: 23 dB.
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Avtec USB NENA Jack Box Configuration Guide | October 2021 | Revision 9