System a - 100, A-155, Doepfer – Doepfer A-155 Analog/Trigger Sequencer User Manual
Page 3
doepfer
System A - 100
Analog / Trigger Sequencer
A-155
3
Controls
1
Switches : these select triggers and/or gates for
each step
2
LEDs :
indicators to show the step reached
3
Trig. Control: indicators for trigger and gate rows
4
CV knob
:
these set the control voltage output
for each step of the upper CV row
5
CV knob
:
these set the control voltage output
for each step of the lower CV row,
and/or act as attenuators for the ex-
ternal CV / audio inputs
6
Range :
switch to select the voltage range of
the CVs put out by the upper CV row
7
Scale :
range control for the lower CV row
8
Glide :
control for the glide time (amount of
slew) on either upper or lower CV row
9
Control :
manual controls
Start :
start button
Stop :
stop button
Step :
button for manually stepping through a
sequence
Reset :
reset button
In / Outputs
!
Trigger Out :
outputs for the three triggers and
one gate
"
Control :
digital control input sockets
Start :
input for start signal
Stop :
input for stop signal
Step :
input for clock signal
Reset :
input for reset signal
§
CV outputs, control inputs :
Pre Out :
output for the upper or lower analo-
gue CV row
Post Out :
as above, but after the sample-and-
hold and/or glide circuitry
S&H Ctrl. :
control input for sample-and-hold
section
Glide Ctrl. :
control input for the glide section
$
External CV/
Audio Inputs :
inputs for controlling the voltage of
each step of the lower analog CV
row by a CV or audio signal