Gain Trim - SoundCraft Si Impact User Manual

7.2.1: ACS INPUT SECTION
User Manual
DSP ELEMENTS ACS INPUT
P se In e t
Invert signal phase (180 degrees).
Pressing and holding the key will activate Interrogate mode for this function (see Mix Features 8.3).

GAIN TRIM

Adjust mic gain or line trim for input channels.
The control changes its function depending on the selected input. Mic Gain (-5dB - +58dB) is applied in the
analogue domain, before analogue-to-digital conversion. It is only applicable to Microphone inputs. Line input
trim is applied after conversion (-10dB/+16dB).
HPF F e en
Adjust the cut-off (-3dB) frequency of the High Pass Filter.
This filter 'cuts' low frequencies according to an 18dB/Oct slope that turns down just before the cut-off frequency.
Use it to filter out low frequency 'rumble' and clean up live microphone feeds, for example.
HPF On O
Switches the High Pass Filter on and off.
Pressing and holding the key will activate Interrogate mode for this function (see Mix Features 8.3).
7.2.1: DSP ELEMENTS ACS INPUT