Nilfisk-ALTO CLE2.0 - Manual (Page 8)

3.2 Compressor Section
5. Threshold Control
This control adjusts the threshold level for the Compressor section in the range of -40dBu to +20dBu. The SKC
(Smart Knee Control) is applied to the audio signal, which is a maximum of 10dB above the set threshold.
Above such level (10dB) a hard knee compression will be applied.
3. Ratio Control
This control determines the expansion ratio when the signal drops below the threshold level. The expansion ratio can
be set from 1:1.2 to 1:8 (Low ratio level for Expander application or 1:8 for Gate application).
4. Threshold LED
The "+" Led lights up when an audio signal is below the set threshold. The "-" Led lights up in presence of an
expansion
Pic. 3 Controls of the Compressor ection S
GAIN REDUCTION(dB) INPUT / OUTPUT LEVEL(dB) THRESHOLD
dB/mSec dB dBu SC MONITOR
SMART SC EXTERNAL
dB/Sec N:1 I/O METER
COMPRESSOR
THRESHOLD RATIO ATTACK RELEASE OUTPUT GAIN
CH 1
MANUAL AUTO
SC FILTER 0.05 5
0.3
10 10
20 20
30
20 40
10
10 2
4
1
6 110
70
30
15
1 150
0.1 3
1.5
0.5 0
0 30 27 24 21 18 15 12 9 6 4 2 1 12 0 12 6 18 24 6 18
10