3
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PRIMARY KNOB FUNCTIONS
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BLEND
–
Controls the wet/dry balance of the effect outputs. Turning the BLEND
knob to its minimum counter-clockwise position will yield 100% dry signal with no
wet. Turning the BLEND knob to its maximum clockwise position will give 100% wet
signal with no dry. A mix of the wet and dry signals will occur when BLEND is set
anywhere between the extreme settings.
VOICE Type
–
Selects one out of the nine voice options. Turning the VOICE knob
will change the filter type affecting the wet signal. A corresponding LED in the LED
ladder will blink briefly when a new VOICE is selected, indicating the change. The
STM does not blend between the nine voices. The VOICE knob acts like a switch;
moving it within a single voice will not produce varying results. To reverse the
polarity of the voice type, see the SENSITIVITY knob.
ATTACK
–
Varies the rise time of the filter sweep. The rise time is the speed at
which the envelope generator travels from its rest position to its maximum position.
With the ATTACK knob set to its counter-clockwise position, the filters rise at the
fastest rate (8 mS); set to its clockwise position, the filters rise at the slowest rate
(1200 mS).
DECAY
–
Varies the fall time of the filter sweep. The fall time is the speed at which
the envelope generator travels from its maximum position to its rest position. The
filter sweep’s decay begins after the ATTACK time has finished. With the DECAY
knob set to its counter-clockwise position, the filters fall at the fastest rate (8 mS);
set to its clockwise position, the filters fall at the slowest rate (1300 mS).
SENSITIVITY
(w/ voice polarity)
–
Controls the input volume at which the filters
will start moving, varying the S
TM’s responsiveness to the instrument’s dynamics.
The SENSITIVITY knob has a center detent which signifies the off position for no
envelope response (a good position for use with an expression pedal). Turning the
knob away from the center detent will make the STM more responsive to your
playing. For chords and hard plucking, set the knob near the center. For single notes
and softer strumming, set the knob far from the center.
The SENSITIVITY knob is split into two sections: In the positive (clockwise)
half of the knob, the voice filters will sweep in the forward direction (ex: OW->EE for
the OW-EE voice or from low to high frequency for the WAH and BB voices). In the
negative (counterclockwise) half of the knob, the voice filters will sweep in the
reverse direction (ex: EE->OW for the OW-EE voice or from high to low frequency
for the WAH and BB voices).
