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London RDM 43
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Controlling Treble and Bass
Treble Control
For controlling the high frequencies:
●
Press the AUD button
2
.
The display
C
a gives you TRE or
BAS and a number between -6 and +6.
●
Press the upper part of the rocker
switch /
F
for boosting the treble
or the lower part for treble reduction.
The number on the display changes
between -6 and +6. It will automatically
stop at the ‘0’ position (normal).
Bass Control
For controlling the low frequencies:
●
Press the AUD button
2
.
The display
C
a gives you BAS or
TRE and a number between -7 and +7.
●
Press rocker switch <</>>
E
to the
right for boosting the basses or to the
left for bass reduction.
The number on the display changes
between -7 and +7. It will automatically
stop at the ‘0’ position (normal).
The treble and bass adjustment is termina-
ted by pressing the AUD button
2
once
again; otherwise, the display will automati-
cally return to indication of radio or CD-
functions approx. eight seconds after the last
setting has been carried out.
Switching from Stereo to Mono
For switching from stereo to mono:
●
Press the lo button
6
for more than
two seconds.
For stereo reproduction, the stereo sign
will light up on the display
C
e.
When switching the unit on, stereo sound
reproduction is adjusted.
When the signal strength gets poor, the set
will automatically switch to mono.
Loudness
At low volumes, the human ear shows redu-
ced sensitivity to low frequencies, while me-
dium and high frequencies can be perceived
better.
The loudness function compensates this phe-
nomenon by boosting the low frequencies.
For activating or deactivating it:
●
Press the LD button
5
.
If the loudness is on, ‘LD’ is shown on
the display
C
h.
You can individually programme at which
level you want the set to start boosting the
basses (see chapter ‘Programming’).
Linear Sound
The DIR function
A
allows you to adjust a
linear sound reproduction for CD operation.
The boost/attenuation of treble, bass or the
Loudness will be switched off. DIR is swit-
ched on when the display
C
k gives you
DIR.
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