Title: SiImpactUserManual_V1.4_screen_original.pdf
User Manual7.2.4: ACS EQUALISER SECTIONDSP ELEMENTS > ACS > EQUALISERThe channel EQ (Equaliser) section is used for sculpting the tonal (frequency-based) balance of the signal. The Impact EQ has four fully parametric, full range bands - LF and HF have switchable bell/shelf modes. You can check the EQ ‘curve’ via the Touch Screen Main Menu EQ button.HF LevelAdjusttheboost/attenuationoftheHFshelvingfilter.HF FREQAdjustthecentrefrequencyoftheHFshelvingfilter.The filter will boost or cut the signal at this frequency by the amount set by HF Level. The cut-off frequency will be lower, according to the filter slope.HF QAdjusttheQoftheHFfilterandswitchbell/shelfmode.