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JP4-KBD: Roland Jupiter-4 MIDI Interface


SPECIFICATION ^^^^^

JP4-KBD MIDI retrofit enables Roland Jupiter-4 to be controlled via MIDI. You can remotely control the keyboard and speed of the arpeggiator by MIDI commands. The instrument then works like polyphonic MIDI sound expander.

Features:

  • The instrument's keyboard is controlled manually and by MIDI Note On/Off commands simultaneously.
  • The keyboard can be transposed in whole range of MIDI notes 0~127.
  • Four modes of key priority can be chosen: Last / Higher / Lower / None.
  • The instrument's tone generators can be detuned (in semitone steps) by MIDI Pitch Bend command. The bend range is from 0 to ±24 semitones.
  • Any receiving MIDI channel or OMNI mode can be chosen by user.
  • Arpeggiator can be synchronized with internal instrument's tempo generator or with external MIDI clock.
  • Default values of all parameters are user programmable - they can be stored in internal memory of the interface.
  • All original features of the instrument are not changed and it can be used the same way as before the interface installation.
  • Installation of interface into the instrument is very easy.
  • The product is covered by thirty months warranty - more info

Parameters adjustable by user (can be set via MIDI CC and SysEx Msg and stored in memory):

  • MIDI Channel (1 to 16 / OMNI)
  • Key Shift (+0 to +67 semitones)
  • Key Priority (Last / Higher / Lower / None)
  • Pitch Bend (Wheel) Range (from +-0 to +-24 semitones)
  • Arpg Clock Rate (internal or 1~128 MIDI ticks)

MIDI implementation - reception only:

  • Note On / Off (0~127)
  • CC 16 - Key Shift parameter setting (0~127)
  • CC 17 - Key Priority parameter setting (0~127)
  • CC 18 - Pitch Wheel Range parameter setting (0~127)
  • CC 19 - Arpg Clock Rate parameter setting (0~127)
  • CC 64 - Hold
  • CC 120 - ASO
  • CC 121 - RAC
  • CC 123 - ANO
  • Pitch Wheel (0~16383)
  • System Clock
  • System Exclusive - setting of all parameters and selection of MIDI channel (1~16 / OMNI)

Block diagram

 

INSTALLATION ^^^^^

Installation of all MIDI interface's parts into the instrument is very easy. No problem should occur if all instructions indicated in installation manual are kept.

Connection:

JP4-KBD MIDI kit package contains:

  1. MIDI Interface board
  2. Cables with connectors (including screws)
  3. CD-ROM with user and installation manuals and support software

Installed interface:

 

DOCUMENTS & SUPPORT ^^^^^

Installation manual PDF 1230 kB    
User manual PDF 268 kB    
Description of MIDI System Exclusive Communication PDF 199 kB    
SysEx Messages generator (SW) ZIP 9 kB - Java script based software for the device programming
Usage of SysEx Messages generator PDF 312 kB    
Programming files (SW) ZIP 8 kB - MIDI files in SMF0 form for easy programming of the device
Usage of SysEx programming files PDF 85 kB    
Cakewalk / Sonar Studioware Panel (SW) ZIP 23 kB - Control surface for users of Cakewalk / Sonar software
Usage of Studioware Panel PDF 177 kB    

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Last update: 31.08.2017, Copyright © 1996-2017 CHD Elektroservis