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7-3.
ADJUSTMENT OF SAWTOOTH
WAVE
LEVEL
1)
Turn
the
power
off
and on
again.
Do
not
touch
any
keys
on
the
keyboard.
2) Select
the
Memory
Bank
(e.g.
Bl)
used
for
the
previous
adjustment.
3)
Set the unit to Edit
mode
and
set
the
parameters
as
follows.
Parameter Button
Function
Display
Date
1
FREQ
RANGE
16
2
WAVE
2
3
PW
0
4
PWM
0
5
SUBOSC
0
6
OSC-1
LEVEL
99
13
OSC-2
LEVEL
0
24
LFO SELECT
1
20
LFO
0
4)
Connect
the oscilloscope
probe
to
the Test Point
C38(TP)
and
TP-IO(GND).
5)
Press the
key from
C
1
to
C2
one by one and
adjust
by
turning
VR102
to
VR802
for
required
Voice
No.(refer
to
the table
below),so
that the
duty
cycle
of
the
square
waveform
is
50%.
VOICE
No.
VR
No
*Key
No
1
102
CI
(Lowest)
2
202
Dl
3
302
El
4
402
Fl
5
502
Gl
6
602
Al
7
702
Bl
8
802
C2
*
Key
numbers
are indicated as the
FREQ
RANGE
at
"16"
setting
(See
Fig.
4-1)
500mV
>2mS
W
SOOmV
~
=
>2mS
Fig.
7-5
(a)
Square
waveform
Fig.
7-5
(b)
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