DOEPFER Dark Energy II Ek Teknik Bilgiler - Sayfa 4

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Function of the trimming potentiometers (Dark Energy II Voice Board):

Name Function

P17

VCO Scale

P18

VCO Offset

P19

VCO Octave Switch +

P20

VCO Octave Switch -

P21

VCF Scale

P22

VCF Offset

Notes concenring the adjustment of trimming potentiometer P17 (VCO Scale):

The corresponding trimming potentiometer for the 1V/Oct scale is P17. You have to wait about 20 minutes before

you do the readjustment. This is the recommended procedure:

(1) Remove the 4 screws of the bottom plate, but leave the plate at it's position

(i.e. the case is still closed at the bottom)

(2) wait about 20 minutes

(3) remove the bottom plate and the readjust P17 until the scale is correct

(e.g. playing octaves on the controlling keyboard)

(4) add the bottom plate still without installing the screws

(5) wait about 10 minutes and check if the scale is still OK

(6) if yes: mount the bottom plate with the 4 screws

(7) if no: go back to step 3

If you are not able to do the adjustment please return the unit to the dealer where you purchased it for readjustment.

DARK ENERGY II - Additional Technical Information – Page 4

Explanation

adjusts the 1V/octave characteristics of the

socket "VCO F" or the bus CV

adjusts the VCO frequency offset

adjusts the upper position of the VCO range

switch (+ 1 octave)

adjusts the lower position of the VCO range

switch (- 1 octave)

adjusts the 1V/octave characteristics of the

socket "VCF F" or bus CV (if the tracking

switch is in the lower position "full")

adjusts the VCF frequency offset

Factory default

adjusted to 1.00V/octave

64 Hz @ center position of the VCO Tune

control and Range switch in center

position

adjusted to +1 octave

adjusted to -1 octave

adjusted to 1V/octave, VCF in self-

oscillation (Resonance control fully CW)

~ 10 Hz @ CCW position of the VCF Frq.

control, VCF in self-oscillation (Resonance

control fully CW, all VCF modulations off)