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sxX-VS500(BK)
+ VOLUME
UP or DOWN
In accordance with data
from IC701, up and
down of volume are
carried out with the
attenuations as shown
VOLUME SW
in Fig. 3-1.
UP OR DOWN ON
Point is moved to the
right when volume is
up, and to the left
when it is down.
¥.
Hy
i
Y
tad Se
oto-
—> |KEY MATRIX] —>
VOLUME
DISPLAY
VS. ATTENUATION (1 STEP =2¢dB)
(LIGHT GOES OFF)
+ LOUDNESS
In accordance
with
microcomputer
data,
foudness
is applied
°
,
> -20
ic704
(LIGHT GOES ON)
°
aes
eS
=
8 a
min]
[_vorume | [max
E =ao
|
-60
t
0
ia
6
Y
AX
oo cons
Fig. 3-1 Volume display VS. attenuation
within ICB and in exter-
LOUDNESS
LOUDNESS
nally attached high and
ind
Sw
ON
low band booster circuit
'ON
H
1
'
wotee
oto
o712
LOUDNESS
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