Sync-input/output, Cv/gate connection – Doepfer Schaltwerk (device no longer available) User Manual

Page 6

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Doepfer Musikelektronik GmbH - SCHALTWERK Users Manual - Aug. 1997 - Page 6

4.3. Sync-input/output

To control/synchronize with a square signal.

Can be configured as input or output.

Normally, the SYNC connector of the Schaltwerk is
configured as an output, i.e., A square signal is
available at this connector. Sensibly, the device at the
other end must be configured as an input (receiver) on
its SYNC connector.

To use the Schaltwerk as a SYNC receiver, its SYNC
connector must be set as an input, and the other device
must be set to transmit (output) a SYNC signal.

The SYNC-signal is a simple square wave with a range
of 0-5 Volts.

It is also possible to use an ordinary LFO from an analog
synthesizer as a clock source.

This way, it is possible with the appropriate shaking in the
control signal to get a “floating groove” in the Schaltwerk
timing.

Note that in case of coupling with other devices,
if both devices are set to input or output, there
won’t be any effective coupling.

4.4. CV/Gate connection

8 x CV1 (i.e., for pitch or controllers)

8 x CV2 (i.e., for velocity)

8 x Gate

The CV option does not work separately from
the data sent in MIDI, but in parallel and thus
simultaneously.
Despite the limitation of the CV values being
linked to their corresponding MIDI values, the
number of voices under control of the
Schaltwerk can be almost doubled.

The 8 CV1 outputs are linked to the parameter “Note
Number-Track/Step”, with CV1-1 to CV1-8
corresponding respectively to Track 1 up to Track 8.

The CV’s are covering a range from 0 to 5.6 Volts.

The curve characteristic of the CV follows a
Volt/Octave ratio and is primarily dedicated to the
control of the pitch.

The relation between the note numbers and the output
voltage is: Note #36~100 = 0~5.6 Volts.

Going below (note # 0~35) or above (note #
101~127) the allowed range will clip the output
voltage to the lowest/highest voltage possible, issuing
valid CV’s, which are nevertheless overlapping with
the note range 36~100.

Pin 3:
Clock signal
0-5 Volts

Pin 1
Start (+5 Volts)
Stop (0Volts)

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