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OPERATION
Make sure to power-up before your power amplifier is turned in order to avoid loud transients which could
damage your speakers or annoy your audience.
Switch the device on via the power switch.
Introduction
The DFE-212 is a fully parametric equalizer for automatic feedback reduction. The device can be operated in
2-channel mono or stereo-mode. 12 equalizer filters are available per channel. They can either be adjusted
manually or automatically via two auto-functions.
If you do not need all equalizer filters for suppressing feedback, you can use the remaining filter for adjusting
the room acoustics etc.
This device features 10 programs for saving your settings (program numbers 1-10).
Please note: Program 0 is only for adjusting the desired parameter values. They cannot be saved on this
program number.
Select a program
If you have already saved a program, you can select it as follows:
Press the Filter Select-button. The colon behind the P in the display must flash. Adjust the desired program
via the jog-wheel.
Save a program
If you want to save the adjusted parameters, press the Store-button, select the desired program-number via
the jog-wheel and confirm with the Store-button.
If an existing program is edited, „SV" flashes in the display. This means that the modification has not been
stored yet. For storing them, press the Store-button twice.
Stereo-Link
First define if you want to operate the DFE-212 mono L, R or stereo LR. In the stereo-mode, all changes will
be carried out at both channels.
Filter Select
Press the Filter Select-Taste and select the desired filter-number via the jog-wheel.
Filter Mode
Press the Filter Mode-button and select the desired filter mode via the jog-wheel.
OFF
The filter is not used and turned off. For activating it, the following three modes can be selected:
PEQ
Fully parametric, manually adjustable filter.
Press and turn the jog-wheel in order to adjust Parameter Freq (20 Hz to 20 kHz), Gain (-48 to +16 dB),
Band (1/60 octave to 2 octaves), Fine (-9/60 to +10/60).
Via Fine, you can finetune the frequency bands in 1/60 octaves.
Auto
New feedbacks are automatically detected and supressed with the smallest possible bandwidth and cut.
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