Quick start guide
(EN) Step 1: Controls
B105D Controls
(1) HIGH EQ knob adjusts the level of
treble frequencies.
(2) MID EQ knob adjusts the level of
midrange frequencies.
(3) LOW EQ knob adjusts the level of
bass frequencies.
(4) LEVEL 2 knob adjusts the input level
for the LINE INPUT and LINE 2 jacks.
(5) LEVEL 1 knob adjusts the input level
for the MIC/LINE 1 input.
(6) MAIN LEVEL knob adjusts the nal,
main output volume.
(7) POWER LED lights up to indicate the
unit has been powered on.
(8) USB input accepts USB connection
from memory devices with
MP3 les.
(9) BLUETOOTH button activates
the Bluetooth circuit and makes
the unit available for Bluetooth
pairing and audio playback from
Bluetooth-equipped devices.
When the Bluetooth circuit is rst
activated, the button’s indicator
LED will blink; When the Bluetooth
successfully pairs with a Bluetooth
device, the LED will stop blinking
and remain lit.
(10) BACK (
) button lets you skip to
the previous track (short press) or
scroll backward through the current
track (long press) playing back via
USB or Bluetooth.
(11) PLAY/PAUSE (
) button begins
or stops playback of tracks via
USB or Bluetooth.
(12) FORWARD (
) button lets you skip
forward to the next track (short
press) or scroll forward through the
current track (long press) playing
back via USB or Bluetooth.
(13) LINE INPUT jack connects to
external audio sources using cables
with ⁄" (3.5 mm) stereo connectors.
(14) LINE 2 combo jack accepts audio
signals over cables using XLR,
balanced ¼" TRS or unbalanced
¼" TS connectors.
(15) MIC/GUITAR latching switch
toggles the MIC/LINE 1 input
between settings optimized for
balanced signals from microphones
(MIC) or unbalanced signals from
instruments (GUITAR), such as
guitars or basses.
(16) MIC/LINE 1 combo jack accepts
balanced microphone signals via
cables with XLR connectors or
unbalanced instrument signals
(from guitars or basses) via cables
with ¼" TS connectors. Use the
MIC/GUITAR button to optimize
this input for microphones or
instrument signals.
(17) MAIN IN combo jack accepts audio
signals over cables using XLR,
balanced ¼" TRS, balanced ¼" TRS
or unbalanced ¼" TS connectors.
The MAIN IN input level is controlled
by the LINE 1 knob.
(18) THRU jack can be used to send your
nal mix out over a cable with XLR
connectors to a mixer, amplier or
an additional active speaker.
(19) MIC/LINE LEVEL latching switch
optimizes the THRU output for
balanced signals (MIC, switch
in) or unbalanced signals
(LINE, switch out).
(20) STANDBY ENABLE/DISABLE
switch turns the auto-standby
power-saving function on (ENABLE)
or o (DISABLE). When the
auto-standby function is enabled,
the unit will power down if no input
signal is detected for 30 minutes.
To exit the powered down state,
turn the POWER switch o and then
back on.
(21) POWER switch turns the unit
on and o.
(22) POWER SOURCE jack accepts the
included IEC cable.
(5)
(9)
(11)
(12)
(10)
(8)
(16)
(15)
(7)
(6)
(1)
(2)
(3)
(4)
(13)
(14)
(17) (18)(19)
(22)
(21)
(20)
10 11Quick Start GuideB105D