User Guide

41
PATCH POINT INDEX FRONT PANEL (Continued)
UTILITES MODULE (Continued)
ATTENUATOR OUTPUT: The output of the Inverting Attenuator is available via this jack.
5 Ohms; the output voltage is determined by the ATTENUATOR knob; the 12 O’clock setting
provides zero output (fully attenuated).
FILTER (LOW PASS FILTER) MODULE
FILTER INPUT: The audio source connected to this input will be processed by the Low Pass
Filter (VCF). With no connection made here, the Mixer OUTPUT signal is normalled to the input
of the Low Pass Filter.
100K Ohms; -5 to +5 Volts.
FILTER OUTPUT: The output of the Low Pass Filter is available via this jack.
2K Ohms; 10 Volts Peak-to-Peak (AC Coupled).
ENV AMT IN: The control signal received here is summed with the ENVELOPE AMT knob, and
is available to amplify, vary, or constrain the amount of effect that the ENVELOPE AMT knob
will have on the Cutoff frequency of the Low Pass Filter.
110K Ohms; -8 to +8 Volts (DC Coupled).
CUTOFF IN: The control signal received here is summed with the KBD TRACK setting, the
ENVELOPE AMT value, the CUTOFF knob, etc. and is used to modulate the value of the Cutoff
frequency of the Low Pass Filter.
100K Ohms; -5 to +5 Volts.
ENVELOPE MODULE
TRIGGER IN: Any control signal > +1.2 Volts will act as a Trigger to start the Envelope cycle.
With no connection made here, the Gate signal from the Keyboard, Arpeggiator, Sequencer,
etc. is normalled to this input.
100K Ohms; 0 to +8 Volts (DC Coupled).
+ ENV OUT: The control signal created by the ADSR setting of the Envelope is available via
this jack.
5 Ohms; 10 Volts Peak-to-Peak (DC Coupled).
– ENV OUT: An inverted copy of the control signal created by the ADSR settings of the
Envelope is available via this jack. For example, Instead of the Attack parameter raising a
particular value over time, inverse modulation values cause the Attack parameter to lower a
particular value by the same amount, in the same period of time.
5 Ohms; 10 Volts Peak-to-Peak (DC Coupled).
OUTPUT MODULE
VCA AMT IN: The control signal received here will affect Grandmother’s output Volume. When
the VCA TYPE switch is set to DRONE, connecting a control signal here will instantly set
the VCA CV to zero. The value of the control signal alone will be used to control the output
volume. With the VCA TYPE switch set to ENV or KB RLS, the value of the control signal
received via this input is summed with the current settings to set the output level.
100K Ohms; 0 to +8 Volts (DRONE setting); -8 to +8 Volts (ENV or KB RLS setting.)