Safety Notes; Mixing The Audio Sources - IMG STAGELINE MPX-30DMP Manual De Instrucciones

2 Safety Notes

This unit corresponds to all relevant directives
of the EU and is therefore marked with
WARNING The unit uses dangerous mains
voltage . Leave servicing to
skilled personnel only . Inexpert
handling may result in electric
shock .
•
The unit is suitable for indoor use only . Pro-
tect it against dripping water and splash
water, high air humidity and heat (admis-
sible ambient temperature range 0 – 40 °C) .
•
Do not place any vessel filled with liquid on
the unit, e . g . a drinking glass .
•
Immediately disconnect the plug from the
mains socket
1 . if the unit or the mains cable is visibly
damaged,
2 . if a defect might have occurred after the
unit was dropped or suffered a similar
accident,
3 . if malfunctions occur .
In any case the unit must be repaired by
skilled personnel .
•
Never pull the mains cable to disconnect
the mains plug from the socket, always
seize the plug .
•
For cleaning only use a dry, soft cloth; never
use chemicals or water .
•
No guarantee claims for the unit and no
liability for any resulting personal damage
or material damage will be accepted if the
unit is used for other purposes than orig-
inally intended, if it is not correctly con-
nected or operated, or if it is not repaired
in an expert way .
If the unit is to be put out of oper-
ation definitively, take it to a local
recycling plant for a disposal which
is not harmful to the environment .
3 Applications
The 3-channel mixer MPX-30DMP is designed
for any private or professional DJ applications .
It offers connections for units with line level
(e . g . CD player), turntables and a DJ micro-
phone . The integrated MP3 player is an addi-
tional audio source: It will replay MP3 audio
files from USB storage media (e . g . USB flash
drives) and SD / SDHC cards (32 GB max .) . Pre-
fader listening to all audio sources via head-
phones is available .
Set up the mixer on its own or install it
into a control console .
8
4 Connection
Prior to making or changing any connections,
. switch off the mixer and the units to be con-
nected .
1) Connect the stereo audio sources to the
corresponding RCA input jacks (26) of the
channels CH 1 to CH 3 (white jack L = left
channel; red jack R = right channel):
Connect units with line level output
(e . g . CD player, tape deck, radio) to
– the input LINE 1/ PHONO 1 of channel
CH 1; the button (27) next to this input
must be disengaged
– the input LINE 2 of channel CH 2
– the input LINE 3 of channel CH 3
Connect turntables with magnetic sys-
tem to
– the input LINE 1 / PHONO 1 of channel
CH 1; the button (27) next to this input
must be engaged
– the input PHONO 2 of channel CH 2
– the input PHONO 3 of channel CH 3
If there is a separate ground cable at the
connection cable of the turntable, con-
nect this ground cable to a clamp screw
GND (28) .
2) Connect a microphone via XLR plug or
6 .3 mm plug to the balanced jack MIC (2) .
3) To connect amplifiers, several stereo out-
puts are available:
– Balanced XLR output R BAL . / L BAL . and
unbalanced RCA output MASTER (23):
Connect the main amplifier for PA ap-
plications to one of these outputs . The
XLR output should be preferred: The
balanced signal transmission offers a
higher protection against interference
which may occur particularly with long
connection cables .
The XLR output and the RCA output can
also be used at the same time to connect
two amplifiers .
– Output BOOTH (24), e . g . to connect an
amplifier for a monitoring system or for
PA applications in adjoining rooms .
4) For audio recordings, connect the re-
corder to the stereo output REC (25) .
The recording level is independent of the
position of the output controls MASTER
(13) and BOOTH (15) .
5) For prefader listening to the input channels
or for monitoring the sum signal ahead of
the output controls MASTER and BOOTH,
connect headphones (minimum imped-
ance: 8 Ω) via 6 .3 mm plug to the stereo
output (19) .
6) Connect the mains cable provided to the
mains jack (21) first, and then connect it
to a mains socket (230 V/ 50 Hz) .
5 Operation of the Mixer
Prior to switching on, set the output controls
MASTER (13) and BOOTH (15) to minimum to
prevent switching noise . To switch the mixer
on or off, use the POWER switch (20) . When
the mixer has been switched on, the power
LED ON (11) lights up .
CAUTION Never adjust the audio system
and the headphones to a very
high volume . Permanent high
volumes may dam age your
hearing! Your ear will get
accustomed to high volumes
which do not seem to be that
high after some time . There-
fore, do not further increase
a high volume after getting
used to it .

5.1 Mixing the audio sources

Crossfading between two channels
1) Use the toggle switches (5) to select the
desired audio source for each input chan-
nel:
CH 1 left position for the microphone at
the input MIC
right position for the unit at the
input LINE 1/ PHONO 1
CH 2 left position for the unit at the input
PHONO 2
centre position for the unit at the
input LINE 2
right position for the integrated
MP3 player
CH 3 left position for the unit at the input
PHONO 3
right position for the unit at the
input LINE 3
2) For level matching and sound correction
of the input signals, make the following
basic settings:
a) Set all channel faders (6) to minimum .
Set all gain controls (3), equalizer con-
trols (4) and the crossfader (10) to
mid-position .
b) If the LED above the button TALK (7)
lights up, disengage the button to
deactivate the talkover function .
c) Set the output control MASTER (13) to
approx . ⁄ of the maximum .
2
3
d) Feed an audio signal (e . g . music piece)
to the first input channel used and set
the corresponding fader (6) to approx .
2 ⁄ of the maximum .
3
e) Use the control GAIN (3) of the channel
to control the level in such a way that
the 0 dB range of the VU meter (12)
lights up with music peaks . Adjust the
sound with the controls HIGH, MID and
LOW (4) . If re quired, readjust the level
control with the control GAIN . After
gain and sound have been adjusted, set
the channel fader to minimum again .
f) Repeat steps d) and e) for the other
input channels used .
Note: These operating steps are merely an aid; for
basic setting of the input channels, you may also
proceed differently .