DOEPFER A-107 Manual - Page 6

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A-107

Multitype Morphing Filter

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.

System A - 100

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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