DOEPFER SYSTEM A - 100 Bedienungsanleitung Seite 162

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Name Function
JP1 A-100 Bus
JP2 CV Bus
JP3 Gate bus
JP4 VCO tune range
JP5 Audio Bus/+5V
JP6 Relation VCO/ext. signal
JP7 Inverter input
JP8 Inverter output
JP9 ADSR out
JP10 LFO2 out
JP11 VCF tracking source
JP12 CV Bus to VCF
System A-100
Jumper Overview
Explanation
Bus connection
Connects the CV line of the A-100 bus to the VCO frequency control
voltage input (in addition to the VCO F socket)
Connects the Gate line of the A-100 bus to the switching contact of
the ADSR Gate socket
Adjusts the range of the VCO tune control:
Installed tune range ~ six octaves
Installed tune range ~ one octave
Connects the audio output to +5V line (!) of the A-100 bus
Can be used only for special applications and if the +5V line of the A-
100 bus board is unused. Otherwised problems will occur.
Adjusts the loudness relation of the internal VCO and the external
audio signal:
installed VCO only
not installed VCO and external signal with same level
Connects LFO1 output to the internal inverter
Connects the output of the internal inverter to the socket LFO1
The factory default is inverted LFO1, the inverter can be used for
other applications too (e.g. inverted ADSR or LFO2 output in
combination with JP9 or JP10, or direct output of LFO1 or LFO2
without inverting)
Internal ADSR output
Internal LFO2 output
Selects the CV source for VCF tracking (can be turned on / off / half
by means of the Track switch):
Upper position: VCF tracking controlled by the CV line of the A-100
bus
Lower position: VCF tracking controlled by the VCO F socket
Connects the CV line of the A-100 bus to the switching contact the
VCF F socket.
Synthesizer Voice A-111-5
Factory default
bus cable
installed
installed
not installed
(connected to
one pin only)
not installed
installed
(one pin only)
installed
installed
- (single pin)
- (single pin)
installed
(lower position)
not installed
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