DOEPFER MKE User Manual

Universal midi keyboard electronics

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MKE
Universal Midi Keyboard Electronics
User's Guide
(Firmware Version 1.50)
© 2024 by
Doepfer Musikelektronik GmbH
Geigerstr. 13
82166 Graefelfing
Germany
Web Site: www.doepfer.de
Email: sales@doepfer.de

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  • Page 1 Universal Midi Keyboard Electronics User's Guide (Firmware Version 1.50) © 2024 by Doepfer Musikelektronik GmbH Geigerstr. 13 82166 Graefelfing Germany Web Site: www.doepfer.de Email: sales@doepfer.de...
  • Page 2: Electrical Safety / Emc Compatibility

    The manufacturer of MKE does not know the final assembly of the complete device in which the MKE is used as a part of the complete device. The final responsibility with regard to electrical safety and electromagnetic compatibility is up to the user who is assembling the complete device.
  • Page 3: Table Of Contents

    Contents Electrical safety / EMC compatibility ..................2 Warranty ..........................2 Contents ..........................3 Introduction ........................... 4 Connections (pcb bottom side) ....................6 (1) Power Supply ....................... 6 (2) Midi-Out ........................6 (3) Midi-In .......................... 6 (4) Keyboard connectors ....................8 (5, 6, 7, 8) Connectors for pitch bend, modulation, volumen and sustain / after touch ..
  • Page 4: Introduction

    MKE is equipped with Midi In and Midi Out. The incoming Midi messages are merged to the data generated by the MKE. In this way several MKE can be linked together or combined with other OEM products (e.g. Pocket Electronics, Dial Electronics, CTM64, MTC64) to built a user specific Midi controller.
  • Page 5 MKE). Please leave the installation of MKE to an expert if you are not familiar with electronics. We take back only MKE modules in the original state, i.e. without solder residues, without scratches and so on.
  • Page 6: Connections (Pcb Bottom Side)

    (e.g. 1.0) is displayed. (2) Midi-Out Connect the Midi Out jack with Midi In of the device to be controlled by the MKE (e.g. sound expander, computer, sequencer, synthesizer, or a second MKE or another OEM product like Pocket Electronics, Dial Electronics, CTM64) via a suitable Midi cable.
  • Page 7 power supply 7-12V/100mA DC (BU3) midi out (BU2) midi in (BU1) (10) sound card connector (ST7) connectors for keyboard connectors pitch bend (ST3) ST1A/ST1B and ST2 modulation (ST4) volumen (ST5) sustain / after touch (ST6) jumper ST8 additional pull- up/down resistor for connector ST6 (Sustain/Aftertouch) User's guide V105...
  • Page 8: Keyboard Connectors

    (0, 12, 24, 36, 48 ..., see below) for the MKE. One simply selects the desired transposition to have the keyboard in the desired Midi note range.
  • Page 9 Senseless MIDI data will be sent if one of the middle pins of ST3/ST4/ST5 is left open. For this the MKE is delivered with jumpers put on the connectors ST3/ST4/ST5. Remove these jumpers only if the pin header in question is used to connect a wheel, potentiometer or after touch sensor as described above.
  • Page 10 Connecting a Footswitch to ST6 (e.g. for Sustain) A sustain pedal (resp. a jack socket to connect the sustain pedal) can be connected also to ST6. For this ST6 has to be programmed correspondingly (i.e. assigning the desired control change number to ST6, e.g. #64 = sustain). Two different types of foot switches are available: contact closed at rest (i.e.
  • Page 11: Jumper For Pull Up/Down Resistor St8

    R12 until the best result is obtained by trial and error. The after touch sensors of the Fatar keyboards are not very sensitive and it might be a problem to dose the Midi after touch as desired. But this is not a problem of the MKE but of the after touch sensors.
  • Page 12: Controls (Pcb Top Side)

    (buttons 5 and 6). If other buttons are used they have to be connected in parallel to the buttons of the MKE. Please refer to the warranty remarks on page 5. page 12...
  • Page 13: Midi Channel

    (otherwise the note off message would be sent on a different Midi channel causing a never ending tone). The Midi channel is valid for all messages generated by MKE (i.e. note on/off, program change, control change, pitch bend, after touch).
  • Page 14: Parameter Storage

    The remaining 3 menu buttons have no function. If the desired velocity value is adjusted the MKE is turned off. After about 5-10 seconds it is powered again without operating one of the buttons. Now the normal operation mode is called up (the display shows the software version) with the new velocity value adjusted in the configuration mode.
  • Page 15: Check List

    Check list In case that your MKE does not work at the first go please check the following points: Is the power supply working correctly ? After power on the display has to show the software version (e.g. "1.10") and all LEDs have to be off ! Otherwise the AC adapter used is not suitable, has the wrong polarity or does not work.
  • Page 16 Doepfer Musikelektronik www.doepfer.com page 16 User's guide V105...

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