Zoom A1 FOUR Quick Manual page 11

Preventing feedback
The anti-feedback function can be used by selecting Anti FB. This effect can detect and
cut the frequency band that is feeding back to reduce it.
1.
Activate EDIT mode.
• Press
2.
Select the effect that will be used to
assign Anti FB.
• Press –
Assign Anti FB to the beginning of the
effect chain to maximize its effective-
ness.
3.
Selecting the effect category.
• While pressing
and select FILTER.
4.
Select the effect type.
• Press
Anti FB.
5.
Turn the effect on.
• Press –
Detection of the feedback frequency band will begin, and "Scanning" will appear on the
display.
When the frequency band has been found, the message will disappear and the anti-feed-
back function will become active.
HINT
The FREQ parameter can be set to a value other than AUTO to specify a fre-
quency band.
.
.
, press
or , and select
again.
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