Doepfer A-100(~ 40 MB) - Manual (Page 189)

DOEPFER DOEPFER DOEPFER DOEPFER System A-100 Synthesizer Voice A-111-5
21
Jumper Overview
Name Function Explanation Factory default
JP1 A-100 Bus Bus connection bus cable
JP2 CV Bus Connects the CV line of the A-100 bus to the VCO frequency control
voltage input (in addition to the VCO F socket) installed
JP3 Gate bus Connects the Gate line of the A-100 bus to the switching contact of
the ADSR Gate socket installed
JP4 VCO tune range Adjusts the range of the VCO tune control:
Installed Æ tune range ~ six octaves
Installed Æ tune range ~ one octave not installed
(connected to
one pin only)
JP5 Audio Æ Bus/+5V 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.
not installed
JP6 Relation VCO/ext. signal Adjusts the loudness relation of the internal VCO and the external
audio signal:
installed Æ VCO only
not installed Æ VCO and external signal with same level installed
(one pin only)
JP7 Inverter input Connects LFO1 output to the internal inverter installed
JP8 Inverter output 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) installed
JP9 ADSR out Internal ADSR output - (single pin)
JP10 LFO2 out Internal LFO2 output - (single pin)
JP11 VCF tracking source 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 installed
(lower position)
JP12 CV Bus to VCF Connects the CV line of the A-100 bus to the switching contact the
VCF F socket. not installed