A-107, System a - 100, Programming unit controls – Doepfer A-100(~ 40 MB) User Manual

Page 110: Doepfer

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A-107

Multitype Morphing Filter

System A - 100

doepfer

6

4. Programming Unit Controls

1

Display

This is a 3-digit LED display with three decimal points.
These display modes are available:

S01

current S

tep within the filter chain (= working

buffer), range 01 - 32

F01

Filter type of the currently selected step within
the chain (= working buffer), range 01 - 36

C01

number of the C

hain that is called up from the

memory, range 01 - 64

P01

number of the chain that is used to store
(P

rogram) the working buffer into the memory,

range 01 - 64 (the character "S" is alread used
for Step -> P = Program)

The left and middle decimal point of the display
indicate morphing. The points are flashing alternately
while the morphing is in progress. The blinking fre-
quency is an approximate measure for the morphing
time. As soon as the new filter type is reached both
points turn off.

The right decimal point is a warning indicator for
the functions CHAIN and PRG and is blinking as soon
the button 4 or 5 is operated (see below).

2

Step

Operating this button calls up the display mode that
shows the current step of the chain in the working
buffer.

There are different was to select another step within
the chain:

• Operate the Value control 6

• Operate the manual Step control (see 7)

• Altering one of the the Step CVs (see 7)

• Feeding a Clock signal to socket 8.

The first two items relate to manually controlled steps.
The two last items correspond to voltage resp. clock
controlled step addressing and are suitable for auto-
matic filter addressing and morphing (e.g. controlled
by a LFO, ADSR, random CV, Theremin, ribbon, foot
controller. MIDI-to-CV or a sequencer).

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