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5 Operation
GB
1) Prior to switching on, the output level controls
(14) should be set to zero to avoid a possible
switching-on noise.
2) Switch on the unit with the POWER switch (17).
The red power indication (5) lights up.
3) Switch on the connected units, always switch on
the power amplifier for the speakers last of all.
4) When switching off the system, always switch off
the power amplifier first.
5.1 Basic setting of the input channels
1) First set the six channel level controls LEVEL
[front rotary knob (9)] to zero and the six balance
controls BAL [rear rotary ring (10)] to mid-posi-
tion 5. Set the equalizer controls LOW, MID, and
HIGH (12) likewise to mid-position.
2) Select the desired input for each channel with the
input selector switch LINE/MIC (11):
Button pressed: the microphone input is selected
via the XLR jack (23)
not pressed:
the line input is selected via the
phono jacks (22)
3) Select the operating mode with the selector
switch STEREO/MONO (13):
Button pressed: mono operation; the mono out-
put channels A and B are availa-
ble with the same mixing signal
not pressed:
stereo operation; a stereo out-
put channel LEFT/RIGHT is
available
6
5.2 Mixing of the audio sources
1) Do not switch on the talkover function for the time
being, i. e. the button OFF/ON (7) must not be
pressed.
2) Feed a signal to all connected inputs (test signal,
music piece, or microphone announcement).
3) To be able to hear a signal via the output, turn the
output level controls LEFT/A and RIGHT/B (14)
approx. to position 7 for the time being.
4) Turn up the front rotary knob LEVEL (9) of the
channel(s), which are to be heard at highest
volume, until the indication PEAK (3) shortly
lights up with the music peaks. Slightly turn back
again the control(s).
5) Add the remaining channels which are to be
heard as well with the corresponding rotary
knobs LEVEL accordingly.
6) If the MMX-602 is in stereo operation [button
STEREO/MONO (13) not pressed], adjust for
each channel with the rear rotary ring BAL (10)
either the balance of the stereo signal of the
phono jacks or apply the microphone signal to
the desired spot in the stereo basis.
7) Adjust the sound with the controls (14):
LOW
for the bass range
MID
for the midrange
HIGH for the high range
8) Adjust the output level with the controls LEFT/A
and RIGHT/B (14) so that the yellow 0 dB LEDs
of the level indication (4) light up with music
peaks. However, if the input of the subsequent
unit (amplifier, mixer) is overloaded by this, turn
back the controls correspondingly.
In stereo operation adjust the balance of the
mixing signal with the output level controls (14) at
the same time. In mono operation a different level
for the outputs A and B can be adjusted with the
controls.
5.3 Talkover function
With the talkover function the audibility e. g. of an
announcement via channel CH 1 or CH 2 can be
improved if the volume of the other channels is auto-
matically attenuated by 12 dB during the announce-
ment.
1) Switch on the talkover function with the button
OFF/ON (7). The indication ON (1) lights up.
2) Select with the selector switch CH 1 + 2/CH 1 by
which channels the volume of the other channels
is to be attenuated:
Button pressed: if a line signal is present at chan-
nel CH 1 or if a microphone
announcement is made via
channel CH1, the volume of
channels
CH 2
attenuated
not pressed:
if a line signal is present at chan-
nel CH 1 or CH 2 or if a micro-
phone announcement is made
via one of these channels, chan-
nels CH 3 to CH 6 are atten-
uated.
3) Feed a signal to channel CH 1 or CH 2 (e. g. an
announcement via microphone) and turn up the
control SENS (6) until the indication ACTIVE (2)
lights up during the announcement. The indica-
tion ACTIVE always lights up in case the corre-
sponding channels are attenuated.
Note: If the control SENS is turned up too much,
the volume attenuation can already be released
by interfering noise. If the control is not turned up
far enough, there is either no volume attenuation
at all or only in case of high volume signals.
to
CH 6
is
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