Muting Indicator; Front Panel Features - Marantz DIGITAL PM630 Handbook Of Instructions

Digital monitor premain amplifier
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The
F.C.
bus system
allows the volume, functions,
muting
and
loudness
of the amplifier
to be remotely
controlled
with
the
RMC-12
remote
control
unit.
(The
RMC-12
emits
an
infrared
pulse signal and
the
RC430
receives
and decodes
it to control
the R.C. bus system.)
@Q) SPEAKER SYSTEMS
It is possible to connect two pairs of loudspeakers.
For connec-
tion, use a minimum of 3A (0.5mm?) stranded 2-conductor cable.
if the desired length of either cable exceeds 6 metres use a mini-
mum of 6A (0.75 mm?) cord.
AC POWER CONNECTION
The
correct voltage for operating
your system
is written on the
rear panel. Be sure the POWER
pushswitch
is out before plugging
the AC line cord into an electrical outlet.
FRONT
PANEL
FEATURES
(11) POWER SWITCH
To turn the unit On and Off.
(2) REC SELECTOR
Press this button
to record
or dub with a tape deck or to select
a program
source,
(Refer to the paragraph
"USING
TAPE
RE-
CORDERS
WITH
YOUR
CONSOLE
AMPLIFIER".)
The
indi-
cator
corresponding
to
the program
source
lights
when
that
program source is selected.
(3) INPUT SELECTOR
To
select
the
programme
source.
The
corresponding
indicator
lights when a programme source is chosen.
CARTRIDGE MM/MC SELECTOR SWITCH
Press this switch to select between MM type cartridges or MC type
cartridges. The indicator corresponding
to the cartridge selected
lights.
However,
the INPUT SELECTOR
must be in the PHONO
mode when selecting a cartridge type.
(15) ELECTRONIC VOLUME CONTROL
Holding touch UP (or DOWN)
increase (or decrease) the volume
level.
These
keys do not affect the signal present at the TAPE
MONITOR OUT jacks.
(16) VOLUME INDICATOR
Indicates the setting of the volume control keys.
(7) MUTING SWITCH
Depressing this switch
(-m)
attenuates
the amplifier output by
26 dB
(to 1/20 of the initial volume). When
changing records,
Press this switch to temporarily reduce the volume level.
Note:
Do not increase the volume
level when
this switch is de-
Pressed
as
speakers
would
be seriously
damaged
when
switch
is reset.
VOLUME
IND
dims when
the MUTING
switch is depressed.
MUTING INDICATOR
This indicator lights when the MUTING switch is pressed.
VOLUME SHIFT
The electronic volume
shifts in 2 dB steps from 66 GB to infinity.
An attenuator
(about
12 dB) is connected directly to the volume
control
which
provides
volume
levels
from
66
dB
to
infinity.
This makes it possible to vary from 0 dB to 66 dB, and from 66dB
to infinity, or from
12 dB to 78 GB, and from 78 GB to infinity.
When
the
LED
lights, the input level can
be varied
in the range
OdB ~ 66 dB ~ ~,
HIGH GAIN INDICATOR
This indicator lights when the HIGH GAIN
switch is pressed.
(21) MEMORY SWITCH (VOLUME MEMORY)
This switch
makes
it possible to store up to 3 absolute
volume
levels
in memory,
and
to store
relative
volume
levels between
functions in memory.
1. Absolute volume memory
Up to three absolute volume levels (for example, high, medium
and low) can be stored in memory.
Procedures:
a.
Press the MEMORY
switch; the LED lights.
b. Set the volume
level to the desired
level by pressing UP
or DOWN.
c.
Press MEMORY
switch
1, 2, or 3; the LED
lights and the
MEMORY
LED goes out.
2. Relative volume memory
This function
makes
it possible to set relative volume
levels
to PHONO,
CD, TAPE
1 or TAPE 2 in relation to the tuner.
Procedures:
a.
Select the input source to be controlled and output sound
by pressing one of the INPUT SELECTOR
buttons.
b, Press the MEMORY
switch; the LED lights.
c.
Match
the volume
level of the selected
source
to that of
the tuner
by pressing
the DOWN
or UP switches
of the
ELECTRONIC VOLUME
CONTROL.
d. Press
the
same
INPUT
SELECTOR
switch
again;
the
MEMORY LED lights.
Notes:
1. Do the above
steps while the MEMORY
LED is lit. The me-
mory function will not work unless these steps are performed
within about 3 seconds,
2.
Relative volume
settings must
be within
about
+8 dB of the
volume level of the tuner.
3. Relative volume
contro!
cannot
be used
with the tuner itself
because it is used as the reference levels for other devices.
Q2) TAPE 1/VIDEO MONITOR SWITCH
This switch
is pressed when
a tape deck
(or video disc player or
video
deck)
is played.
When
it is pressed,
the
indicator above
this switch
lights to indicate that the amplifier
is ready to play
the equipment.
(23) TAPE 2/EQ MONITOR SWITCH
Pressing this switch once causes the indicator to light. At this time,
the equipment connected to the TAPE 2 MON/EQ
can be played
or monitored.
Pressing this switch again causes the indicator to go
off and the other source currently selected by the source selector
can be played.
we

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