American Pro Audio LAB DSP Serie Manual Del Usuario página 42

4.4.Crossover
<Low pass>: the filter's
type; <Butterworth>:the
filter's type; the maximum
flatness filter, there are flat
amplitude and the consistent group delay in the
passband, and the band-stop frequency roll-off
rate is general.
Bassel, the most flat delay filter, there are flat
amplitude and the consistent group delay in the
passband, but the band-stop frequency roll-off
rate is low. Linkwitz-riley, there are flat amplitude
and phase response in the passband.
<Slope>: 6/12/18/24/30/36/42/48dB/oct, <Frequen-
ce>: 20~20000Hz
4.5.Compressor
RMS inspection method
State;
Bypass;
Reset;
Active;
Threshold:
min:-60dB, max:0dB, default:0dB;
Ratio: min:1, max:25, default:1;
Knee: min:0dB, max:40dB;
Attack: min:1ms, max:1000ms;
Release: min:10ms, max:9000ms;
State;
Bypass;
Reset;
Active;
4.6.Bypass/ Reset
Standby screen: Display the unit's ID number,
temperature and volume information as well
as the unit's lock state.
4.7.Linkage
Select the linkage mode of the DSP channel;
independent mode; Follow channel N;
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