9. Using the device
Do not turn on the device before you have read and understood these operating instructions.
Check again that all connections are correct.
Not observing the following sequence when switching the mixer on and off could damage the
loudspeakers or the amplifier.
• Check again that all connections are correct.
• Push or turn the channel faders, the MIC VOL control, the headphones control, the TRIM control, the AUX
control, the EFFECTS RET control, and the MAIN OUT VOL1 and MAIN OUT VOL2 controls of the mixer to
the minimum.
• Switch on the signal sources such as record players, CD players, cassette decks etc.
• Completely turn down the volume control of the connected amplifier.
• Switch on the mixer using the POWER switch.
• Switch on the amplifier.
• Select the input on the amplifier to which the mixer is connected (e.g. AUX).
• Take a piece of music from your normal program and set a normal level for the signal source. Make sure
that no device of the system is overmodulated.
• Turn up the volume control of the connected amplifier to approx. 50% - 75%.
• Select the channels to be played back with the input channel switch.
• Set the input level on the mixer using the TRIM controls and the CHANNEL FADER.
• Use controls MAIN OUT VOL1 and MAIN OUT VOL2 to set the output level at the amplifier outputs of the
mixer.
• Make sure that the connected loudspeakers and the amplifier are not overloaded. The sound should
never be distorted. If needed, adjust the output signal using the MAIN OUT VOL1 control and the MAIN
OUT VOL2 control.
If there are distorted music signals even though the volume on the amplifier has not been set
too high and the mixer has been set correctly, switch off the mixer immediately and check the
connection.
• You can now try out the individual features of the mixer.
• To switch off the mixer, first turn the volume of the amplifier to the minimum.
• Switch off the amplifier(s).
• Push or turn the channel faders, the MAIN OUT VOL1 and MAIN OUT VOL2 controls and the headphones
control of the mixer to the minimum.
• Then switch off the mixer using the POWER switch and then switch off the signal sources (record player,
CD player etc.).
36