FRONT PANEL
ACTIVE/BYPASS
Bypass mode takes the unit out of
the signal path so that it will have
no effect on the program. In active
mode, the unit controls feedback
automatically. The red BYPASS
LED lights when the unit is in
bypass mode.
FIFTH OCTAVE
Press the button at any time to
select wider filters for any new
filters to be set. It is possible to
have both 1/5 and 1/10 octave
constant "Q" filters active in one
channel simultaneously.
RESET
Press and hold until 'Dynamic Fil-
ter' LEDs go out to reset the dy-
namic filters. Hold until all LEDs
go out to reset all filters. This also
automatically places the unit into
Turbo mode.
SIGNAL LEVEL
The LED ladder indicates the sig-
nal strength relative to the FBX's
input clip level.
4
FBX-2020Plus CONTROLS
A/C POWER INPUT
The FBX-2020Plus is factory configured to operate at either 115 VAC
or 230 VAC. Using the wrong input voltage may cause permanent
damage to the unit and will void the warranty.
FUSES
This equipment is fitted with an IEC power inlet incorporating a built-
in fuse holder. To change the fuses in this socket:
1. Disconnect the power cord from the unit.
2. Pull out the fuse holder and remove the old fuse.
3. Install a new fuses into the holder. Replace only with 5x20mm,
0.315A, 250V F (fast acting) fuses.
4. Refit the fuse cover.
FILTER STAGE ACTIVITY
When one of the unit’s filters is
activated, the corresponding LED
lights. A blinking LED indicates
the filter that was most recently
activated.
POWER SWITCH
The ON/OFF switch is a two-posi-
tion push button switch. The power
indicator LED will light when the
FBX is operational.
SET TOTAL NO.
To set the total number of filters,
depress the button for 4 seconds
and then release. The LEDs will
begin to light in sequence. When
the LED corresponding to the de-
sired number of filters lights, press
the button to register your selec-
tion. This also automatically puts
the unit into Turbo mode.
SET FIXED
To set fixed filters, hold down the
button for 4 seconds and then
release. The LEDs will begin to
light in sequence. When the LED
corresponding to the desired num-
ber of fixed filters lights, press the
button to register your selection.
LOCK FIXED FILTERS
When the "LOCK FIXED" button
is pressed, its LED will light to
indicate that the FBX is in "LOCK
FIXED" mode. "LOCK FIXED"
mode can be activated at any time
after system set-up and will stay
on until the button is pressed again
and the LED turns off.
INPUTS AND OUTPUTS
1/4" TRS and XLR balanced and unbalanced.
GROUND LIFT
Use this switch to choose between grounded or lifted ground.
BACK PANEL
TURBO MODE
Turbo Mode is designed to allow maximum
feedback sensitivity for setting fixed filters
during setup only. This default setup mode
allows the FBX to grab feedback much
faster and at a much lower level, making
setup faster and quieter. When a channel
of the 2020Plus is in Turbo mode, the clip
level light flashes. DO NOT ENTER TURBO
MODE DURING A PERFORMANCE.
(46 paginas)
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