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Modes of Operation
The majority of time you spend with your Nº383 will be spent in nor-
normal operation
mal operation. During normal operation, the display indicates the
name of the input you have selected and the listening volume (in deci-
bels). The
increases or decreases the volume in 0.1 dB
volume knob
increments above 38.5. The
selects the source to be lis-
select knob
tened to at any point in time. In short, in normal operation, the Nº383
acts precisely as you would expect an integrated amplifier to act.
There are several refinements which may not be immediately apparent
to the casual user, however. When turned quickly by hand, the effect of
the
will accelerate (i.e., yield a greater change per revo-
volume knob
lution of the knob) so as to reach your preferred volume more quickly.
Conversely, when the knob is turned slowly, the volume changes at
maximum resolution to facilitate fine adjustments and precise level
control (0.1 dB through most of the range).
However, if the
is spun too quickly (as though it were a
volume knob
flywheel), the rate of change will decrease again. This design helps
avoid accidental bumps of the preamplifier's
sending
volume knob
37
potentially dangerous signal levels to your loudspeakers.
Lastly, the corresponding buttons on the
behave in a
remote control
similar fashion when in normal operation. If the
buttons
volume +/-
are held for more than approximately 1.5 seconds, the Nº383 infers that
you would like to make a larger change in volume, and accelerates the
volume change accordingly.
The
mode gives you extremely fine control over the relative
the balance mode
balance
volumes of the Left and Right channels, by changing the volume of one
relative to the other in increments of 0.1 dB, up to 20.0 dB. (Beyond
this point, the
control will mute the output of the reduced
balance
channel entirely.) Once set, this inter-channel difference in volume re-
mains the same regardless of output level and selected input, until it is
changed again in the
mode.
balance
To enter the
mode from normal operation, press the
balance
balance
button. The balance indicator LED will light and the display will
change. When the balance is set to a neutral position, favoring neither
channel over the other, the display will show a double-headed arrow
and "0.0" decibels—that is, that the channels are balanced with respect
to one another.
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