13
Quick Start Guide
12
ULTRABASS BXD15A/BXD15/BXD12A/BXD12
(EN)
Step 2: Controls
ULTRABASS BXD15A/BXD15/BXD12A/BXD12 Controls
(1)
INPUT
jack is used to connect your
instrument’s cable with a ¼" TS plug.
(2)
MUTE
button mutes the output of the
amplifi er for silent tuning or for switching
instruments. The CLIP LED ring around
the button lights up to indicate clipping
at the INPUT jack. If the CLIP LED lights up
consistently, press the -15 dB button to
reduce the gain at the INPUT jack.
(3)
-15 dB
button reduces the INPUT jack’s
sensitivity by 15 decibels for use with
active pickups. Press this button if the CLIP
LED consistently lights up to indicate that
the instrument signal is overloading the
preamp circuit.
(4)
GAIN
knob sets the signal level going into
the amplifi er’s preamp section.
(5)
COMP
button activates the internal
compressor when pressed. Use the
compressor to even out and control
dynamics in your signal for a more
consistent sound. The THRESH LED lights
up when the compressor is active and
fl ickers when the input signal reaches the
compressor threshold set by the COMP knob.
(6)
COMP
knob controls the amount of
compression applied by the internal
compressor. Rotate the knob clockwise for a
more compressed sound. When the knob is
set fully counter-clockwise, no compression
will be applied.
(7)
ULTRA LOW
button boosts the extreme
low end of your sound when pressed.
Press the ULTRA LOW button to add body
and thickness to your instrument’s tone.
(8)
BASS
knob controls the bass frequencies
of your sound. Rotate the knob
counterclockwise to cut bass frequencies or
clockwise to boost bass frequencies.
(9)
MID
knob boosts or cuts the midrange
frequencies controlled by the MID FREQ
knob. Rotate the knob counterclockwise
to cut the designated mid-range
frequencies or clockwise to boost those
mid-range frequencies.
(10)
MID FREQ
knob sets the mid-range
frequency to be boosted or cut by the
MID knob.
(11)
TREBLE
knob controls the treble
frequencies of your sound. Rotate the knob
counterclockwise to cut treble frequencies or
clockwise to boost treble frequencies.
(12)
ULTRA HIGH
boosts the high frequencies of
your sound when pressed. Press the ULTRA
HIGH to boost harmonics and add defi nition
to your instrument’s sound.
(13)
MASTER
knob controls the fi nal output
volume of the amplifi er. Rotate the knob
counter-clockwise to reduce volume and
clockwise to increase the volume.
(14)
POWER
switch turns the unit on and off .
Always make sure the POWER switch is in
the “Off ” position when initially connecting
the unit to the mains power connection.
(15)
POWER SOURCE
accepts the included IEC
power cable.
(16)
VENTILATION FAN
prevents the unit from
overheating. The ventilation opening should
not be blocked during operation.
(17)
DI OUT
can be used to connect the unit
directly to a mixer or PA system using a
balanced XLR connection.
(18)
TUNER OUT
sends out an unbalanced signal
suitable for use with electronic tuners.
(19)
FX INSERT SEND/RETURN
creates a
buff ered serial loop for use with eff ects
pedals or rackmount eff ects processors.
(20)
AUX IN
accepts line-level signals from
MP3 players or other sound sources using
RCA connectors.
(21)
FOOTSW
connection allows you to
control the MUTE and FX INSERT eff ects
loop functions remotely by using a dual
footswitch with a ¼" TRS connector
(FSB102B footswitch not included).
(11)
(13)
(12)
(9)
(10)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(14)
(15)
(16)
(17)
(18)
(20)
(19)
(21)
Содержание BXD12
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