Specifications

21
Parametric Equalizer
The equalizer of the DFR11EQ can be set to work as a 10-band parametric equalizer. Each filter
has adjustable frequency, gain, and width. In addition, there are high- and low-frequency rolloff/shelf
filters. Parametric filters are represented as dots, while the high- and low-frequency filters are
represented as squares. When a filter is selected, the control representing that filter changes color to
indicate that it has been selected, and the PEQ graph shows the response of the selected filter.
Parametric filters can be edited using cut, copy, and paste.
Setting up the Parametric Equalizer
1. Click on Options in the main menu bar.
2. Click on Equalizer...
3. In the Equalizer Options window, click on the Parametric Equalizer button.
4. Click on the OK button.
This operation may also be performed by using the EQ Type button on the Equalizer Control
Window.
NOTE: In the Equalizer Options window, there are also three buttons for Version 3 Software,
Version 4 Software and Version 5 Software. In the off–line mode, all three of these are
selectable, to allow the user to edit scenes using the appropriate software. In the on-line
mode, the appropriate software is identified. If Version 3 software is detected, the user may
upgrade to Version 4 software by selecting the Version 4 button.
Parametric Equalizer Fields and Buttons
FREQ. — This field displays the center frequency of the selected filter. Click on the ↑ and ↓
buttons to adjust the frequency of the filter, or type the desired frequency in the field.
WIDTH — The WIDTH field displays the width of the selected filter. Clicking on the ↓ button will
reveal a drop-down menu with the available options. Select one of these to change the width, or type
in the desired width. If a shelving filter is selected, the field changes to TYPE and identifies SHELF as
the option. Once the high or low filter cuts more than –18 dB, the filter becomes a rolloff filter, so the
name of this field changes to SLOPE and displays the slope of the filter. The slope of the rolloff filter is
adjustable from –6 to –24 dB/octave.
GAIN — The GAIN field displays the amount of cut or boost in dB applied to the selected filter.
Clicking on the ↑ and ↓ buttons will adjust the boost or cut in gain of the filter. With the high and low
shelving filters, the response will shelve at the level of the gain of the filter.
Adjusting Parametric Filters
To adjust a parametric filter, simply point and click on the filter. It will change
colors to show that it is selected. Then, drag the filter to the desired frequency
and level. A parametric filter can be used to cut or boost over a desired band-
width. Notice that each filter dot also has wings with two smaller dots. Drag
these to adjust the Q, or width, of the filter to affect a smaller or larger bandwidth. The Q can also be
adjusted from the WIDTH field: click on the ↓ button to reveal the drop-down menu which contains
all the most common bandwidth options. The parametric filters can overlap. However, too many
overlapping filters may cause the EQ to distort at certain frequencies or gain values.
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