This retrofit receives only channel number and note number trough MIDI protocol. And triggering synth circuit boards the same as you playing on the keyboard with hands.Other words - It controls only the keyboard, all other controls in your hands. You still can play on build in synth keyboard at the same time when he controls by MIDI. Installation is relatively simple, but requires tools for soldering, drilling holes and reading schematic diagrams skills.If you can`t do it yourself - hire technician at local repair shop. Job takes approx. 1-2,5h in moderate speed. Features: MIDI channel learn button. For set which one of 16 channels will be listen. Saves learned MIDI channel forever (you can rewrite if need - just push the button again). Easy installation for people who have some knowledge in electronics and work experience with tools. No any ground loop problems. Key contacts switches are galvanically isolated from control circuits. Retrofit only for key contacts switching emulation. No need additional power supply. Enough internal power supply in synth. You still can play on keyboard. Even if controls on MIDI at same time. Package include: Fully assembled PCB. 4x Screws. 4x Washers. 4x Spacers. 1x Push button. 1x Standard MIDI interface DIN5 socket. 1x External LED indicator. Ribbon cable set. 5x for key contacts, 1x for system connections. Process for set MIDI channel:Stop all MIDI traffic.To teach with which MIDI channel synth will work - push the black button (LEARN) LED will blink two times and stay ON to wait for MIDI messages on OMNY channel. Send any note on MIDI channel which you want for this synth.When synth received MIDI messages, LED will blink five times and turns OFF. And then will ON with every NOTE ON messages on the selected channel. Now the channel saved to memory and will never change before you push LEARN button again and starts settings process again VAT and Shipping: If you are outside USA, you may charged by your local customs for import tax. Keep it in mind for estimate final costs. Shipping will provided with track number. Assembled in USAInstallation manual available HERE
