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Using the Feedback Control
The feedback control function of the A2.1u allows automatic or manual detection of the frequency range
where acoustic feedback occurs. This frequency range is then attenuated to eliminate feedback. The
feedback control function can be set in edit mode and can also be operated by foot switch or the built-in
expression pedal.
2.Turn parameter knob 2 to set the
Manual operation of feedback frequency, using the setting
feedback control range from 1 - 30.
The frequency range corresponding to the
selected value will be cut. Select the value that
This section describes how to detect the feedback
yields best reduction of acoustic feedback
frequency manually.
(howling).
1.Set the Module selector to "GLOBAL".
3 0
3.When the setting is complete, return
When the GLOBAL module is selected,the Module selector to the "PLAY"
parameter knob 2 can be used to adjust theposition.
feedback control parameter (FEEDBACK
FREQ). The following settings are available.
IoF
This turns the feedback control function off.
When this setting is selected, the foot switch
can be used in play mode or manual mode toHINT
turn the function on and perform automatic" If you select "At" in step 2, the automatic feedback
detection of feedback frequency. When youfrequency detection starts. During the process, the
indication "SC" (Scan) is shown on the display.
assign Feedback Freq to the built-in expression
" The feedback control setting applies to all patches,
pedal and press it fully down, the feedbackand the most recent value is always active. There is
control function will be activated, using ano need to store the setting.
setting of "30".
IAt
Feedback frequency is detected automatically,
and the respective range is attenuated.
I1 - 30
This allows you to manually set the feedback
frequency. Higher setting values correspond to
higher frequency.
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