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10
3
MODE INDICATORS
Three LEDs give visual confirmation of the operational
in at any moment. When the
the
remains lit as a reminder, in addition to other
balance LED
that might be on to indicate either
cators
4
MODE BUTTON
Cycles among the three primary operational
(the source being listened to);
the Record Outputs); and
Right channels). Confirmation of these operating modes is given by the
below the
mode indicators
5
INVERTED POLARITY INDICATOR
The
(sometimes inaccurately called "absolute phase") of the output
polarity
of the Nº380 may be inverted via the Nº380 remote control, in which case
this LED will light as confirmation. A second press of the
the remote control will restore the polarity of the output to its original,
non-inverted state.
6
VOLUME KNOB
This control is normally used to adjust the listening volume, and does not
effect the level of the signal being sent to the Record Outputs. When in
balance
mode, this knob is used to vary the relative output of the Left and
Right channels. It is also used during setup for various adjustments; see
"Setup and Installation."
7
MONO BUTTON
This button toggles between
activates circuitry which combines left and right input signals, and sends the
resulting monophonic signal to both left and right outputs. This circuit is
particularly useful when listening to older, monophonic source material,
since significant noise reduction is often realized by listening to mono re-
cordings in mono.
8
SOURCE SELECTOR BUTTONS
Inputs 1–6 are selected by pressing their respective buttons. When in the
monitor
mode, pressing one of these buttons will select the source to be
heard (i.e., sent to the main outputs); when in
one of these buttons will select the source to be recorded (i.e., sent to the
record outputs).
9
MUTE BUTTON
Pressing the
button will reduce the main output level of the preampli-
mute
fier by a user-modifiable amount, ranging from 1 to 60 decibels. Pressing
the Mute button a second time without adjusting the volume will return it
to its previous setting.
balance
control of the Nº380 is "off-center,"
or
monitor
modes
(the source being provided to
record select
balance
(the relative volumes of the Left and
. (See 3, above.)
alphanumeric display
and
operation. When in mono, it
stereo
mono
record
mode
the Nº380 is
mode indi-
.
record select
of the Nº380:
monitor
polarity
button on
select mode, pressing
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