5
Operation
Note:
To prevent switching noise, always switch on
the active speaker system after the signal
source connected and after use switch it off
first.
1) Set the control MAIN LEVEL (7) to minimum (left
stop) for the time being and switch on the ampli-
fier with the POWER switch (12). The LED ON
(11) lights up.
The following steps merely serve as an aid, other
ways of proceedings are possible.
2) As a basic setting, first set the LEVEL controls
(5 to 7) to minimum (left stop) and the tone con-
trols (8, 9) to mid-position.
3) Adjust the total volume with the control MAIN
LEVEL (7). Turn up the control approx. half-way
so that the following adjustments can be heard.
4) If a signal source has been connected to the
input LINE IN (2, 3), turn up the corresponding
control LINE LEVEL (6) so that the sound repro-
duced will not be distorted yet.
5) If a microphone has been connected, add its sig-
nal with the control MIC LEVEL (5) and, if
required, reduce the level of the line signal with
the control LINE LEVEL (6).
CAUTION!
To prevent a howling noise, do not
hold the microphone in the direction of the
speaker or too close to it. If a volume has been
adjusted too high, a howling noise may occur as
well. In this case adjust a lower microphone vol-
ume with the control MIC LEVEL (5).
6) Adjust the sound as desired with both controls
TREBLE (8) and BASS (9).
7) Adjust the desired total volume with the control
MAIN LEVEL (7). Only turn up the control so
that the sound reproduced will not be distorted.
If the overload LED CLIP (10) lights up, turn
back the control accordingly. If required, readjust
the sound.
8) After use, always switch off the speaker system
with the POWER switch.
CAUTION
Never adjust a very high volume. Per-
manent high volumes may damage
your hearing! The human ear will get
accustomed to high volumes which
do not seem to be that high any more
after some time. Therefore, do not
further increase a high volume after
getting used to it.
10
GB
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