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6. OPERATION
Prior to switching on, set the master fader and the output controls MASTER 2 and BOOTH LEVEL to zero to
avoid damage to the hearing by a volume which is too high when switching on. Switch on the unit with the
power switch. Switch on the connected units. After operation, switch off the unit with the power switch.
6.1 Basic adjustment of the input channels
1
First set all gain controls, equalizer controls and the crossfader to mid-position. Set the crossfader
assignment selectors to the position "M".
2
Use the input selector buttons to select the signal sources connected to the channels 1-4.
3
The level controls of the master channels 1 and 2 determine the total level of all connected audio
sources, which is available at the master outputs. Set the control of the master channel which is used for
the basic setting of the input channels to approx. 2/3 of its maximum.
4
Set the output meter with the selector switch LED METER to the master channel which is used for the
basic setting of the input channels.
5
To control a channel, feed an audio signal (test signal or music piece) to the respective input channel
and advance the channel fader to approx. 2/3 of its maximum. Set all other channel faders to zero.
6
Via the output meter, control the level of the channel with the channel fader. An optimum level control is
obtained if level values in the 0 dB range are shown at average volume. If the red LEDs of the output
meter light up, there is an overload of the channel. After level adjustment, the cannel fader should be at
approx. 2/3 of its maximum. With the fader advanced only slightly or very far, the level must be matched
by adjusting the input amplification. Turn up or turn back the gain control of the channel accordingly. The
cue level meter serves as a control meter: slide the fader CUE MIXING to position "CUE" and press the
button CUE of the channel. Then the cue level meter shows the signal level of the channel ahead of the
channel fader.
7
Repeat the steps for the other connected input channels as described above.
6.2 Basic adjustment of the output channels
The output signal is fed to the adjustable outputs MASTER 1, MASTER 2 and BOOTH and to the recording
outputs REC(ORD) without individual level control.
1
Via the output meter, adjust each master channel to an optimum level with the corresponding master
control. Switch the output meter to the corresponding master channel with the selector switch LED
METER. Usually an optimum level control is obtained if the output meter shows values in the 0 dB range
at average volume. However, if the output level at the master outputs is too high for the following unit,
the master signal must be controlled to a corresponding lower level. If the output level is too low, set the
level selector switch to "1.5 V".
2
Adjust the sound for the master channel 1 with the 7-band equalizer. To assign the equalizer to the
master channel 2, press the assignment switch EQ TO MASTER 2. Sound adjustments affect the level.
Check the master level with the output meter and readjust it, if required.
3
Adjust the desired signal level for the output BOOTH with the control BOOTH LEVEL. To assign the
equalizer to the output BOOTH, press the assignment switch EQ TO BOOTH.
4
The recording signal at the outputs REC(ORD) is taken off ahead of the output controls, i.e. it is not
affected by the master fader or the output controls MASTER 2 or BOOTH LEVEL. With the selector
switch DJ MIC TO REC the DJ microphone channel can be switched on and off at the outputs
REC(CORD).
5
It is possible to switch the master channels to mono operation with the selector switch STEREO/MONO.
Then the mono signal can be picked up at the master outputs 1 and 2.
6.3 Crossfading between two channels/mixing the signal sources
1
Select the two signal sources for crossfading with the crossfader assignment selectors:
• position A: the channel is switched to side A
• position B: the channel is switched to side B
2
Set the faders of the channels not used to zero and control the two channels selected to an optimum
level with their faders.
3
Now crossfading between the two channels selected is possible:
• crossfader moved to the left: fade-in of side A and fade-out of side B
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