Pioneer A-501R/HE Service Manual - Page 24
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6.
PANEL
FACILITIES
©
MAIN
POWER
switch/indicator
Press to set the
unit to
the
power
STANDBY
or
ON
condition.
Press again
to set to
OFF.
@
STANDBY/O
N
button
STANDBY
indicator
To
use the
amplifier,
press the
MAIN
POWER
switch
ON,
then
press
the
STANDBY/ON
button so
that the
STANDBY
indica-
tor
goes
off.
When
the
STANDBY
indicator
lights,
the
unit
is
in
STANDBY.
When
set to the
STANDBY
position,
the
main
power
flow
is
cut
and
the
unit
is
no
longer
fully
operational.
A
minute flow
of
power
feeds the
unit to
maintain operation
readiness.
NOTE:
When
not
using the
unit for
extended
periods
of
time
,
set the
MAIN
POWER
switch
to
OFF.
®
REC SELECTOR
switch
When
this
switch
is
set to a position
other than
SOURCE
or
OFF,
the
equipment
selected
by
REC SELECTOR
switch can be
record-
ed
from,
irrespective of
the
settings of
INPUT
SELECTOR
switch
and
DIRECT
button.
TUNER:
To
record
from
the
equipment connected
to
TUNER
terminals.
CD:
To
record
from
the
equipment connected
to
CD
ter-
minals.
OFF:
In
this
position,
nothing
from
REC
terminals
of
DAT/TAPE
1
and
TAPE
2
is
output.
Set
to this posi-
tion
when
not
recording;
the cassette
deck
will
be
disconnected, improving
sound
quality.
SOURCE: To
record
from
the
equipment
selected
by
INPUT
SELECTOR
switch.
TAPE
1
>2:
To
record
(copy)
from
the
cassette
deck
of
DAT/TAPE
1
terminals, to
the cassette
deck
of
TAPE
2
terminals.
TAPE
2
1
:
To
record (copy)
from
the cassette
deck
of
TAPE
2
terminals,
to
the cassette
deck
of
DAT/TAPE
1
ter-
minals.
®
INPUT
SELECTOR
switch
Use
to select
the
playback
source.
LINE:
For
playback with
a
component
connected
to
LINE
terminal.
TUNER:
For
AM
or
FM
broadcast
reception with
a tuner.
PHONO:
For record
playback with
a
turntable.
NOTE:
•
With
the
A-450R, you can use an
MM
cartridge or a
high-
output
MC
cartridge (over
1
mV).
•
According
to
the
type of
cartridge
used
with
the
A-550R
,
you
can
select
MM
or
MC
with the
PHONO
SELECTOR
button.
CD:
For
compact
disc
playback with
a
CD
player.
DAT/TAPE
1
:
For
playback with
a
cassette
deck
or
digital
audio
tape
deck connected
to
DAT/TAPE
1
terminals.
TAPE
2:
For
playback with
a
cassette
deck connected
to
TAPE
2
terminals.
©VOLUME
CONTROL
Use
to adjust
the
volume
level.
This
volume knob
consists
of
two
volume
controls.
Because
you
can
adjust L
(left)
and R
(right)
channel
volume
levels
indepen-
dently,
it
also
functions as
a
balance
control.
[Example]
To
raise
R
(right)
channel
volume
level,
prevent the L
knob from
turning
with
one
hand,
and
turn
the
R knob
with the other
hand.
NOTE:
This unit
is
equipped
with a
circuit
that
attenuates
LOUDNESS
and
TONE
effect
as
volume
is
turned
up.
31