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now reacts inverted, when the [level]-knob (1) is moved and opens at the counter clockwise
direction. The whole thing of course also works with VCF 2.
10.6.4 Audiotrigger and envelopes
To activate the audiotrigger and therefore the envelopes, an event has to appear at the "INPUT" (24).
Switch the source signal (sawtooth wave) frequently on and off (0.5 sec on, 0.5 sec off ).
Recall the basic setting ([bypass] to ON"), both [frequency]-knobs (7) and (28) to 12 o'clock, both [reso-
nance]-knobs (8) and (37) to 1 o'clock, [env-mod1]-switches (11) and (32) in position "AMT 1/2" (down),
both [reso-mod1/2]-switches (13) and (34) in position "ENV 1/2" (up) and both [depth]-knobs (10) and
(31) to 3 o'clock.
33.
Move the [attack 1]-knob (17) clockwise. The filter opens fast and suddenly closes again resp.
'jumps' back. Leave [attack 1]-knob (17) at 11 o'clock and move the [hold 1]-knob (18) clockwise.
When the filter has opened, it remains for the hold-time, until it jumps back. Leave also the [hold
1]-knob (18) at 11 o'clock and move the [release 1]-knob (19) clockwise. The filter will close
slowly, instead of 'jumping' back. Play with [attack 1]-, [hold 1]- and [release 1]-knobs. Also move
the [modulation]-knob (12) clockwise: Resonance of VCF 1 is getting stronger within the attack-
phase. Move the [modulation]-knob (12) counter clockwise, and the resonance of VCF 1 will de-
crease within the attack-phase.
34.
Move both [frequency]-knobs (7) and (28) to 3 o'clock and both [depth]-knobs (10) and (31) to
9 o'clock and repeat step 32: The filter now closes within the attack-phase. Also check out with
VCF 2. Move [balance]-knobs (41) clockwise and use [attack 2]-, [hold 2]- and [release 2]-knobs.
10.6.5 Envelope multiplier and the dynamic-hold-function
Recall the settings of chapter 10.6.3., move the [hold]-knob to 12 o'clock position, the [dynamic]-
switchs (20) to "LOG" and both [env-mod1]-switches (11) and (32) to "DYN" (up).
35.
The modulation amount now depends in the same way on the input level as described in chap-
ter 10.6.3. Move the [level]-knob and switch [slow/fast]-switch (4) to "slow": Because of the de-
tector's delay, a short attack is achieved and the modulation depht is slightly decreased (becau-
se of technical reasons).
10.6.6 Audio trigger and S&H
Recall the basic settings ([bypass] to "ON"), both [frequency]-knobs (7) and (28) to 1 o'clock, [resonan-
ce]-knobs (8) and (37) to 12 o'clock, [speed]-knob (24) to 10 o'clock, [vcf-mod1]-switch (15) and (36) in
position "S&H", [wave]-switch (23) to "triangle " (left) and the [gate]-switch (21) in position "TRIG" (left).
The S&H unit is now triggered by the audio trigger.
36.
Set [source]-switch (22) to "RAND". At first, move the [modulation]-knob (14) clockwise until
3 o'clock. A randomly changing sound is audible, every time the saw-wave is present.
37.
Now move [source]-switch (22) to "LFO". With each audio trigger, the S&H samples the current
LFO-level. The LED shows the 'jumping' filter changes. Play around with the
[speed]-knob (24).
38.
Switch the [source]-switch (22) to "DYN" and the [dynamic]-switch (20) to "LOG". With each au-
dio trigger, the S&H samples the current dynamic level of the present sawtooth signal. Play with
[level]-Regler (1). The modulation now depends on the input level.
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user manual e b b e
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