6-3-6.
UP/DOWN
Operation
of
VOLUME
Control
The VOLUME varies
in
steps
of
2dB each from
OdB-
to 66dB and
the
step
OQ
totalling 35 electronic steps.
(IO
display steps for
FL
display)
I)
Step
by
pressing
of
VOLUME Control
a.
The volume moves
UP
or
DOWN
one step
at
a time, thus changing the display accordingly.
Pressing VOLUME during the BALANCE disp-
play will only switch
to
the VOLUME display
at
the existing value without changing it.
b. No action will occur at
MAX
or
MIN even
if
further
UP
or
DOWN
action
is
attempted.
2) Continuous pressing (Holding down the key)
a. After the first 2dB step, the second 2dB step
occurs after 500msec and subsequently changes
in 2dB steps occur every
l 70msec, and the
display follows. But
if
the pressing
is
started
during
the
BALANCE display, the first display
is
only switched
to
VOLUME
without
changing
its value, and then, after 500msec, the volume
setting
is
changed every l 70msec.
b.
The rest
is
the same
as
l
).
6-3-7.
UP/DOWN
Operation
of
BASS
and
TREBLE
Both
BASS
and TREBLE vary in steps
of±5
from
0,
totalling
11
steps.
I) Step
by
step pressing
of
Tone Controls
a.
The value is changed one step
at
a time
to
the
+
or
side.
b. The display
is
changed (point display).
c.
No further action after reaching MAX
or
MIN.
d. All the acoustic memory displays become
invisible and the response line
is
lit.
2)
Continuous pressing (Holding down the key)
a.
After the first one step change, the second step
change occurs after 500rnsec, and then,
sub-
sequently the value
is
changed every l 70msec.
However
at
the centre value, a 640msec stop
occurs before going
to
the next step. (See
Fig.
1-21)
b. The rest
is
the same as I).
6-3-8.
BALANCE
Control
The Balance value varies in ±
IO
steps from O totalling
21
steps.
1) Step by step pressing
a.
Change will occur one step at a time to LEFT
or
RIGHT and the display
is
also changed in
sympathy. However operation
of
BALANCE
during the display
of
VOLUME, results in the
change
of
display to BALANCE without change
of
setting.
b.
Once the LEFT or
RIGHT
end
is
reached, no
further action will occur even
if the key is
pressed again.
35
STEPS
-5
I
I
:J
I
I
1..-
500
m sec
500msec
+
I70msecX34=
6.28
sec
Fig. 1-20 Volume Change
(when
the
key
is
continuously pressed)
I
I
I
I
I< 640m sec
➔
l
I
l~oOm
-;.I
.,,.I
170m
sec
2.33sec
Fig.
1-21
Volume Change
of
BASS and TREBLE
L
,------------------
I
2ISTEPS
CENTER
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
R
I
I
"1
I
I
IE
i.,soom sec
I
:.,940m sec
4.33
sec
::,,I
c.
After the key
is
pressed for the last time, the
display
is switched automatically to VOLUME
after 5 sec.
Fig. 1-22 BALANCE
Chr1ge
-------------SERVICE
.MANUAL AA-R22/L, AA·R32/L,
AA·R42-------------------
16
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