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Basic Usage
This section describes the simple steps that are needed for
operation using the AFB mode.
Practical applications such as independent use for the left
and right channels (Link Off), as well as the following
items, are described in "Section 5: Editing." Take a look at
that section if this is what you need.
Quick Edit
HPF and LPF settings
initialization
In the steps described below, it is assumed that you have
already set up and connected your equipment. Also, check
to make sure that the indicators for the [BYPASS] and
[MUTE] buttons are not lit up. If either one is lit, press the
corresponding button to make the indicator go out.
1. Clear any filters set by the Auto function.
You can skip this step if the indicator for the [CLEAR] but-
ton is lit up.
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]-1 Press (CLEAR).
The display changes to show a message confirming that the
filters set by the Auto function are to be cleared.
]-2 To clear the filters, press (ENTER). If you want
to start over, move the cursor to (CANCEL)
and press (ENTER).
The indicator for the [CLEAR] button lights up. All filters set
by the Auto function are cleared.
2. Eliminate feedback with the Auto function.
2-1 Press (AUTO) once.
The button's indicator flashes to show that the Auto func-
tion is working.
2-2 Gradually increase the volume of the sound
reinforcement system.
As the volume rises and feedback occurs, the AFB mode's
Auto function automatically sets up filters and eliminates
the feedback. The indicator for the [CLEAR] button goes
out as soon as even one filter is set.
2-3 Increase the volume to the desired level and
press (AUTO).
The indicator for the [AUTO] button goes out and the Auto
function is ended.
You can change the settings for the filters set by the Auto
function. The way to do this is the same as for Quick Edit.
See "Quick Edit" (p. 17) for details.
3. Use the Dynamic function to guard against sud-
den feedback.
Even after feedback has been eliminated by the Auto func-
tion, feedback may still occur because of changes in the
sound production environment, or if a microphone is
moved. To take care of this, you can suppress sudden feed-
back with the Dynamic function while leaving the settings
for the Auto function in place.
* When the number of filters that the Dynamic function sets
up exceeds its pre-assigned number of filters, the Dynamic
function clears the first filter in order to set up a new one.
* All filters established by the Dynamic function are cleared
when the function is switched off.
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3-1 Press (DYNAMIC) once.
The button's indicator lights up to show that the Dynamic
function is working.
Each press of the [DYNAMIC] button toggles the Dynamic
function on or off. When the Dynamic function is on, its
button indicator lights up.
If feedback occurs, the Dynamic function automatically
compensates the frequency response and eliminates the
feedback.
12
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