4-Band Eq; 4-Band Eq Operations - Roland M-480 Owner's Manual

4-band EQ

4-band EQ operations

4-band EQ is provided on CH1–48, AUX 1–16, MTX 1–8, and MAIN L/R/C.
The 4-BAND EQ popup is used to perform 4-band EQ operations.
Accessing the 4-BAND EQ popup
1.
In the fader module section, press a [SEL] button
32 to select the desired channel.
2.
In the EQUALIZER area of the CHANNEL EDIT section,
press [DISP].
The 4-BAND EQ popup will appear.
fig.PopEQGuide.eps
4 5
1
2
3
1 HPF (High-pass filter) (CH 1–48 only)
This is a high-pass filter that passes the region higher than
the cutoff frequency. You can adjust the frequency in a
range of 20 Hz–20.0 kHz.
2 SLOPE
This selects the HPF slope from the following choices:
6 dB SLOPE -6 dB/oct high-pass filter
12 dB SLOPE -12 dB/oct high-pass filter
18 dB SLOPE -18 dB/oct high-pass filter
3 EQ ATT
This adjusts the EQ input level in a range of -48.0 dB–+15.0
dB.
4 IN meter
This indicates the input level of the 4-band EQ. For stereo-
linked channels, two meters (L and R) are shown.
5 4-band EQ graph
This indicates the approximate response of the 4-band EQ.
6 OUT meter
This indicates the output level of the 4-band EQ. For stereo-
linked channels, two meters (L and R) are shown.
82
7 4-band EQ parameters
fig.PopEQPrmGuide.eps
of CH1–
1
2
3
4
Type
1
6
These select the filter type from the following choices:
Type
LO SHELF
HPF1 (6 dB)
HPF2 (12 dB)
PEAK
BAND PASS
7
NOTCH
HI SHELF
LPF1 (6 dB)
LPF2 (12 dB)
fig.LSVCurve.eps
LO SHELF
fig.HPF1Curve.eps
HPF1 (6 dB)
fig.HPF2Curve.eps
HPF2 (12 dB)
fig.PeakCurve.eps
PEAK
fig.BPFCurve.eps
BAND PASS
fig.NotchCurve.eps
NOTCH
Function
Low shelving
-6 dB/oct high-pass filter
-12 dB/oct high-pass filter
Peaking
Band-pass filter
Notch filter
High shelving
-6 dB/oct low-pass filter
-12 dB/oct low-pass filter
Desc.
LO only
HI only