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6
Power / Charge L ED ON / CHA RGE
not li ghting up:
du ring battery operation of the unit
An d
wh en the unit is switched of f and connec ted
to a power supply and the batter y is fully char ged
shows green:
wh en the unit is switched of f and connec ted
to a power supply and the batter y is being
charged
shows red and green (= yellow):
when the unit is sw itched on a nd connected to
a powe r supply and the battery is being charg ed
shows red:
When the unit is s witched on a nd connecte d to
a powe r supply and the battery is fully charged
7
Stere o output MA IN OUT (3.5 mm jack) to
connec t the input of an amplifier or another u nit, e.
g. a sec ond mixer
8
POW ER switch
9
Outp ut MONITOR / PHONES ( 3.5 mm jack ) to
connec t stereo headphones (minimum
impeda nce
Ω
16 )
10
Volume control MONITOR / PHONES for the
headphone output M ONITOR / P HONES (9)
11
Butt on TAPE IN A SSIGN TO M AIN to assi gn
the input signal of th e jacks TAPE IN (3) to the
outputs
MAIN O UT (7), TAPE OUT (4) an d USB (5)
12
Button TAPE IN ASSIGN TO MONITOR to
assign the input signal of the jac ks TAPE IN ( 3)
instead of the mixed signal to the headphone
output MONITOR / P HONES (9)
13
Overload LEDs CLIP for the stereo outpu t
signal a djusted with the control MASTER (14)
14
MASTER contro l to set the le vel of the ou tput
signal s ent via the outputs MAIN OUT (7), TA PE
OUT (4 ) and the USB port (5)
15
Control GAIN for channel CH 1 to set the input
amplification
16
High frequency control HI an d low frequency
control LO for channel CH 1
17
Control LEVEL for channel C H 1
18 Panorama contr ol PAN for channel CH 1 to
place the mono sign al on the ste reo base
19
Level peak LED PK for ch annel CH 1; i f at all,
should only brief ly light up with level peak s
20
H igh frequency control HI and low frequency
control LO for ch annel CH 2
21
C ontrol LEVEL for channel CH 2
22
Stereo balan ce control BAL for channel CH 2
23
Button USB A SSIGN TO CH 2 to assig n the
input signal of th e USB port ( 5) to channel CH 2
2 Ap plic atio ns
This compact 5-channel audi o mixer with USB
interface is suite d for univers al applications, e. g.
For audio record ing on the computer. The mono
input channel all ows to connect a (phantom-
pow ered) microp hone; the stereo input ch annel
allows to connec t an audio so urce with lin e signal
leve l. In addition , the mixer is provided with
connections for a recorder an d headphones. The
mixed signal is s ent to the output via a 3.5 mm
jack and the USB port. It is also possible to use
the USB port as an input to transfer audio data
from the computer to the mixe r. When con necting
the mixer to a computer, power is supplied via the
USB connection. When operating the mixer
with out a computer, either us e a suitable p ower
supply unit with U SB connect ion or operate the
mixer via the inte grated rechargeable lithi umion
batt ery. The battery is charge d when the mixer is
connected to the power supply via the USB port.
3 Important Notes
This unit corresponds to all re levant direc tives of
the EU and is the refore marked with
.
* Th e unit is suit able for indo or use only. P rotect it
against dripping water and sp lash water, h igh air
hum idity and hea t (admissible ambient temper-
°
Atur e range 0 -40
).
* For cleaning only use a dry, soft cloth; n ever use
C
water or chemica ls.
* N o guarantee claims for the unit and no liability
for a ny resulting personal damage or material
dam age will be a ccepted if th e unit is used for
othe r purposes than originally intended, if it is not
corr ectly connec ted or operated, or if it is not
repaired in an ex pert way.
If the unit is to be put out of op eration defi nitively,
take it to a local recycling plant for a dispo sal
whic h is not harmful to the en vironment.
If the unit is to be put out of operatio n defi-
niitively ,ta ke it to a loc al recycling p lant
for a dispo sal which is not harmful to the
environme nt
2
4 Audio Connections
Prio r to connecti on, always turn back the output
controls MONITO R / PHONES (10) and M ASTER
" "
(14) to
0 .
1) The input MIC IN (1) of the mono channel CH 1
allows to conn ect a microphone via XLR plug or
6.3 mm plug. B oth the XLR jack and the 6.3 mm
ja ck of the com bined jack are balanced.
T he XLR jack always supplies a 18 V p hantom
pow er and it thus suitable for a condenser
microphone oper ated with this phantom p ower.
C aution!
Do n ot connect a microphone with
unbalanced output via XLR plug; it my b e
D amaged by the phantom power
2) The input LIN E IN (2) of the stereo chan nel CH
2 allows to con nect an audio source with line
si gnal level (e. g. CD playe r) via RCA pl ugs: L =
le ft channel, R = right chan nel.
3) It is possible to use the RC A jacks TAPE IN (3)
and OUT (4) to connect a s tereo recorder:
--Co nnect the recording outp ut of the reco rder to
the input TAPE IN.
--Co nnect the recording input of the recor der to
the output TAP E OUT;the o utput signal a dju-
sted with the MASTER contro l (14) is sent to this
outp ut.
How ever, it is als o possible to use the jack s for
othe r units with line signal lev el, e. g. to co nnect a
CD player or MP3 player to TAPE IN or to connect
an a mplifier to TA PE OUT.
4) The 3.5 mm ja ck MONITOR / PHONES (9)
a llows to conn ect stereo h eadphones
( impedance 16 ).
≥
Ω
T hus, you will be able to m onitor the ou tput
s ignal adjuste d with the co ntrol MASTE R (14)
o r the input signal of the ja cks TAPE IN (3) via
h eadphones.
5) A t the stereo o utput MAIN OUT (7), the output
si gnal adjusted with the MA STER contr ol (14)
is present. This output allows to connec t e. G.
an amplifier or a second mix er via 3.5 mm plug.
6) W hen operating the mixer with a compu ter, it is
possible to use the USB po rt (5) for digi tal
output of the m ixed signal to the compu ter and
fo r feeding dig ital audio da ta to the mixer. To
C onnect the port see chapter 5.1.
5 Setting the Mixer into Operation
5.1 Oper ation with a computer
When op erating the m ixer with a c omputer, either
use the audio softwar e supplied w ith the
operating system or a n audio software installe d
additiona lly.
Various p rograms for audio reprod uction /
recording are availab le on the Inte rnet free of
charge.
1) Start t he computer. Connect the USB port (5 ) to
a USB connection on the computer via the U SB
cable provided. Sw itch on the m ixer with the
"
"
switch POWER (8) [position
ON ]. The L ED
ON/CHARGE (6) lights up acco rding to the
battery charge sta tus (chapter 5.3).
The computer rec ognizes the USB interface
of the mixer as an external devi ce for audio
"
input and audio output, e. g. as
USB Ear-
"
Microphone , depending on th e operating
system. Therequir ed drivers (s tandard drivers
of the operating sy stem) are av ailable on th e
Comp uter.
Note:
If not all driv ers required are available
on the computer, install them, e. g. via the
origin al CD of the operating system. Restar t
the co mputer after installation, if necessary.
2) Open the reproduc tion / recording program and
make the required settings for audio reprod uc-
tion via the mixer o r audio recording from the
mixer ( user manual of the prog ram). Then
opera te the mixer according to chapter 6.
If it is no t possible to record or reproduce any
sound, m ake sure to a ctivate the U SB interfac e
for audio input or aud io output in thesystem
settings of the operat ing system of thecompute r.
Hint:
If th e mixer is co nnected to a computer a nd
to any units earthed v ia their mains cables (e. g.
amplifier s), there may be hum nois e due to
ground lo ops. To eliminate this no ise, connect the
mixer to the correspo nding unit via a ground
isolator
3
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