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Yamaha Electone GX-1 Service Manual page 136

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GX-1
(S/#
5030~
)
A wove!
MAMMA
Ring Modulated wave
><>
B wave
of
\ oy
f Field
ea
B
A
In the GX-1 the A wave is the solo signal.
The B wave corresponds to OSC and Noise.
16. Envelope
ATTACK
*Set at ''O'' there is no change.
At ''3'' it speeds up the rise times of
the EG, VCF
and VCA set by the tone module, by a value of 1,000.
However, shortest rise time is 1m Sec.
SUSTAIN
*Set at ''3'', the tone color and volume change together within four
seconds.
17. Pitch Envelope
1D-» [1] — 1.0 Sec.
overall
connection
with
IP; 1B'ana'20-EP:
IP (0]
i
Check the figure to the
left.
|
[3]
2D — [1] 1.0Sec.
[3] 1m Sec.
KEY ON
18. Solo Brilliance
With
respect to "C'', '0' and "3" change the VCF cutoff by —2.5
and +2.5 octaves from the standard value of HF, LF, according to
the tone module.
19. Solo Resonance
In comparison
to the "0" setting, '3' raises the Q of the VCF
by
+15
from
the standard
value
of HQ,
LQ,
according to the tone
module.
20. Solo Sub Oscillator
VCO
At "3" the generated signal frequency is changed by +20 cent with
the cycle set by Speed.
s
VCF
At ''3" the generated signal tone color is changed.
The VCF cutoff is
= ots

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