NAMES AND FUNCTIONS OFTHE CONTROLS
INPUT SECTION
MICROPHONE INPUTS@@
If both inputs are used at the same
time, the
phone jack input @will have
priority.
For vocoder inputs, dynarriic micro
-
phones will usually work better than
condenser
m~crophones.
VOCODER
SECTION
INSTRUMENT Jack
8
For instruments other than guitar. This
inpc~t
IS
the source of mater~al (sound)
from which the vocoder soiind is made;
therefore, the instrument used should
produce a clear sound
whlcli
IS
rch in
harmonic. Do not use pec~~liar sounds
or sounds
w~th
a
long attack tme.
When using a synthes~zer, set as
follows:
VCO:
Use sawtooth wave, or a pulse
wave with a short duty cycle
lmini-
mum).
VCF:
Set thecutoff frequency h~gh.
ENV:
Set ATTACK
=O;
SUSTAIN
=
10
(maximum); RELEASE=2or
3
(DECAY
is not used).
When using a string synthesizer, set
the
ENSEMBLEeffect at
OFF.
If the input instrument has a wide
dynamic range, it may prove better to
use the GUITAR INPUT jack
010 take
advantage of the compressor used in
this circuit.
INSTRUMENT LEVEL Switch
@
Set to match the Input instrument being
used.
@Fine adjustment should be made using
the output level controi of
the instru
-
ment.
VOICE CHARACTER Controls
B)
These controls can be used to alter the
tone quality of the vocoder sounds for
creative work or to help compensate
for a speaker deficiency.
BALAF'CE Control
@
Controls the balance between the
vocoder sound and the direct sound
from the microphone input. Fully clock
-
wise produces the vocoder sound only;
fully
counterclockw~se produces the
m~crophone sound. and settlng to the
center produces
mixture
of both.
INSTRUMENT LEVEL INDICATOR
0
GUITAR INPUT Jack
@
Use the guitar output level to adjust
the input level to the vocoder.
HARMONICS Control
@
This controls the harmonics contained
in the guitar sound. Turning clockwise
brightens the sound.
We careful not to turn this control too
high because unwanted harmon~cs can
be produced when playing chords.
GUITAR INPUT INDICATOR
8
The red indicator lights when the com
-
bined instrument and guitar input levels
are too high if the red indicator lights.
turn down the output level of either or
both of the input instruments.
VOLUME Control
Q)
The output level of the sound produced
by the instrument or guitar when in the
DIRECT mode is determined by the in
-
strument's output level setting and tlie
external amplifier's volume control. For
this reason, when using a foot switch
to change between DIRECT and
VOCODER modes, this VOLUME con
-
trol
Q
is needed to balance the vocoder
sound with the DIRECT mode sound.
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