DIY MIDI Controllers, Decoders, & Retrofits—Worldwide Delivery
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UMR: MIDI Retrofit Installation Notes
Installation Notes IndexCasio SK-1
See the installation example for additional information.
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Connection Diagram
UMR Assembly
Scan-High Configuration
SW1 Settings
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|
| off | on | off | on | off | on | on | off |
I/O Connections
Ribbon cable pin numbering is marked on SK-1 circuit board.
| UMR Select In | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Host Ribbon Cable | 1 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | - | - | - |
| UMR Data Out | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| Host Ribbon Cable | 3 | 5 | 4 | 2 | - | - | - | - |
"-" = not connected
UMR Power Connections
As pictured.
UMR should be powered up separately, after the host keyboard. Install a switch in the UMR positive supply line.