• ADJUSTING
THE
WIND STABILIZER:'
1.
Press and hold the SET piston.
2.
Turn the Select Knob counter clockwise (left)
to
"WIND STABILIZER".
3.
Release SET.
4.
Rotate the Alpha Dial
to
select "OFF", "1/2", or "ON".
RANDOM DETUNING
One
of
the essential ingredients
of
a pipe organ ensemble arises from the small amount
of
pitch error
in
each pipe. No matter how carefully an instrument
is
tuned, small changes
in
temperature
or
humidity cause the pipes to drift from their original pitches. Reed pipes are
especially prone to drift over time due to "creeping"
of
the tuning wire with cyclic temperature
variations.
The Random Detuning feature causes selected notes
to
receive a small amount
of
detuning. The amount
of
detuning
is
chosen at random for each note
of
each voice. Some
notes will not be detuned at
all.
The number
of
notes detuned and the maximum amount
of
detuning are selected for each voice
to
mimic the behavior
of
an equivalent pipe set.
For
instance, reeds will exhibit more pitch error than flues. Because the detuning is random, there
is no degradation
of
the overall temperament
of
the instrument and the amount
of
detuning
is
no more than one would experience in a recently-tuned pipe instrument.
This detuning process happens each time the organ
is
turned on. Once computed, the
pitch
of
each note remains constant. Thus, the tuning will be a little different, as it would be
with a pipe organ, each time the organ
is
used. The amount
of
Random Detuning present in
the organ will be set by a Rodgers representative during final voicing.
EXPRESSION RANGE ADJUSTMENTS
The minimum volume
of
each division when its Expression
Shoeis
closed can be adjusted
to
suit specific musical needs
or
personal tastes. The
"MINIMUM
EXPRESSION"
menu
allows three
settings-
"NORMAL",
"ppp",
and "pppp". The "NORMAL" setting produces
the amount
of
expression obtained on most pipe instruments with typical swell shades. The
"ppp"
setting produces a greater range than the
"NORMAL"
setting, and the
"pppp"
setting
produces the amount
of
expression one might expect from very heavy and thick swell shades.
The settings do not affect the sound at
all
when the expression shoe
is
open.
There are special settings
of
the Expression Range that can be selected when installing a
pipe/electronic combination organ. When speakers for the enclosed divisions (Swell and
Choir) are placed inside a pipe organ swell box, the digitally sampled electronic stops in those
divisions can sound at a constant volume by setting the Expression Range to "Unenclosed".
Then the expression
of
those stops, like the pipes
in
the swell box, will be controlled by the
swell shades.
23
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