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Yamaha Electone GX-1 Service Manual page 140

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vco
VCF
VCA
SPEED
31. Lower Manual
SUB OSCILLATOR
32. Manual Balance
33. Lower Manual
KNEE LEVER
CONTROL
GX-1
(S/#
5030—
*With: the tablet set to '1'' and the knee lever to ''3'', sound source
frequency variation should be +20 cent.
*The panel 4 sub oscillator VCO lever is cancelled.
*With
the tablet set to ''1'' and the knee
lever to ''3'', sound
source
tone color is modulated by +3 octaves from the VCF high pass filter
and low pass filter positions set on the tone module.
*The panel 4 sub oscillator VCF lever is cancelled.
*With the tablet set to ''1'' and the knee
lever set to ''3'', the sound
source is amplitude modulated.
*The panel 4 sub oscillator VCA lever is cancelled.
*With
the tablet set at ''1'' and
the knee lever at ''0'', the upper
manual sub oscillator speed is 1.7Hz.
*With
the
tablet
set at
''1''
and
the
knee
lever at '3',
the
upper
manual sub oscillator speed is 28Hz.
Control is continuous between the two above points.
*The panel 4 sub oscillator speed lever is cancelled.
All function are the same as section 27 above.
Compared with the center position:
""1"' provides +2dB upper, —1dB lower;
"*3"' provides —1dB upper, +2dB lower.
Same as section 29 above, except for the portamento effect.
=—5—-
)

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