4-3
ARPEGGIATE ASSIGN
1. Press the ARPEG ASSIGN
switch.
Its LED will light.
2. Depress any number of keys in the order
they are to be sounded. They will
be
arpeggiated.
3.
Adjust
the SPEED knob.
4. If desired, latch as for ARP UP-DN.
5. To unlatch or stop, switch ARPEG ASSIGN
off.
4-4
NOTES ON USAGE
Once an arpeggiate
sequence has been entered, it is possible
to set-up the arpeggiator
to advance
either by single presses
of the footswitch, or in response to an
external
clock connected
to the FOOTSWITCH jack:
a. Turn the SPEED knob fuJly counterclockwise.
The arpeggiator will
stop.
b. Hit
the footswitch quickly. The advance
takes place not when the
switch is
pressed, but when released.
c.
If desired, connect
a
5-
15V clock source,
preferably a square wave.
The
maximum
useful frequency will
be 10
-
15 Hz. (Note
that for the Prophet-600
computer to recognize the
clock pulse, the pulse must
be at least 10 msec long-
-both high and low.)
By using a combination
of UNISON TRACK
and ARPEGGIATE,
it is possible
to
advance between
chords with the footswitch:
a. Hold
a
chord
to be tracked.
b. Switch
UNISON TRACK on. Or
if UNISON TRACK is already
on, hit
the
footswitch. This latches the
chord.
c.
Switch
ARPEG UP-DN or
ASSIGN" on. This arpeggiates
the chord.
d. Hit the footswitch.
This latches the
arpeggiator.
e. Reduce SPEED to 0.
f. To advance
the chord, hit the footswitch
quickly (or use external
clock).
Note that
the arpeggiator alters
some Unison modes. Low-note
priority is always
maintained, but
to
insure
that each new note
or
chord
is heard the notes
will retrigger
(whereas Unison normally
allows only single-triggering.)
Additionally, if
using the
arpeggiator in Unison, you can't
play along at the same time.
Notes played above
the
arpeggiated
keys are ignored, while
those played below will
essentially "disable"
the
arpeggiator. Notes played
between arpeggiated keys
will produce interesting
variations.
4-2
CM600A 12/82
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