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4
ADJUSTMENT OF TONE
OF
MOTOR SOUND
I
Set value
Characteristics
of
tone
of
motor sound
Constant tone irrespective of output frequency
Monotone
/ j l ( i
Tone
that range.
is constant in the
low
frequency range, and changes above
(the
by other
Same
FR-2
sound series
as is generated
inverter)
Fixed frequency.
14, 15
Tone changes according to output frequency.
20-26
27-33
Constant tone irrelevant of output frequency
Tone is constant in
low
frequency range, and changes above that
range.
Complex sound
I
I
I
-
98
-
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