Four Audio System Software and PPA Manual
Main Screen

 

After powering up the PPA module, the Main Screen with level meters and the currently active preset is shown.

The table below describes the UI elements on the Main Screen.

1 Titlebar showing the currently active preset.
2

Input level meter showing the type of input and the corresponding input level. Values are

DRC : analog input with dual range conversion

Ana 1, Ana 2 : single range analog inputs

AES 1, AES 2: Digital AES inputs

Dnt 1, Dnt 2: Digital Dante inputs

3 Output level meter showing the processing channel and the corresponding level.
4 Peak limiter indicator. Turns red when peak limiter is active.
5 RMS limiter charging indicator. When charging gets near 100%, the RMS limiter gets active.
6

Gain reduction indicator. Shows the currently applied gain reduction in dB (negative number, 0: no gain reduction).

7 Limiter disabled is displayed if the limiter for this channel is set to off in the preset