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probonopd edited this page Apr 15, 2022 · 52 revisions

In order to use menu-driven operation it is possible to attach an alphanumeric 16x2 1602 LCD with a HD44780 compatible chipset like this and a rotary encoder like this to the Raspberry Pi. This is optional. You can use the instrument without such a display and rotary encoder, but in this case you will need to configure the instrument using MIDI commands and/or configuration files edited on a computer.

Depending on the contents of the file performance.ini on your SD card the default settings that are loaded when the instrument is switched on may vary.

This is the menu when you switch on the device:

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There are up to 8 tone generators (TG) that can be used simultaneously. To select another tone generator, rotate the knob. The > symbol indicates that you can rotate the knob clockwise. if you do, the display changes from "TG1" to "TG2" and other tone generators:

image

The < and > symbols indicate that you can rotate the knob counter-clockwise and clockwise, respectively.

Turn the knob counter-clockwise until TG1 is selected, then double-click the knob to open the submenu for that tone generator. You will see:

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To select another voice, double-click the knob to open the voice submenu. You will see:

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Turn the knob to select a voice.

To return to the menu "above", click the knob once.

You can always return to the initial screen, no matter where in the menu tree you are. To do so, triple-click (press the knob three times) and the menu returns to the initial screen:

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To restart the device hold the knob pressed until the device restarts.

Shortcuts

Keep the knob pressed while rotating it to go from TG1...8 or from OP1...6 while TGx or OPx is displayed. This allows you to quickly edit the same parameter for multiple tone generators and operators.

Menu tree

Double-click to open a submenu, single-click to close it.

  • MiniDexed
    • TG1
      • Voice
      • Bank
      • Volume
      • Pan
      • Reverb-Send (the amount of reverb that gets applied to this TG if reverb is enabled under Effects)
      • Detune
      • Channel
      • Edit Voice
        • OP1
          • EG Rate 1 The Envelope Generator ("EG") determines how a tone changes over time. If the Operator is used as a carrier, this results in amplitude changes over time; if the Operator is used as a modulator, this results in timbre changes over time. Each EG Rate determines how long it takes for the envelope to reach the corresponding EG Level. Can be set from 0 (slowest) to 99 (fastest)
          • EG Rate 2 (as EG Rate 1 above)
          • EG Rate 3 (as EG Rate 1 above)
          • EG Rate 4 (as EG Rate 1 above)
          • EG Level 1 Can be set from 0 (no output) to 99 (maximum level)
          • EG Level 2 (as EG Level 1 above)
          • EG Level 3 (as EG Level 1 above)
          • EG Level 4 Normally set to 0. In this case, EG Level 1 should be greater than 50 to ensure proper operation of the Envelope Generator
          • Break Point
          • L Key Depth
          • R Key Depth
          • L Key Scale
          • R Key Scale
          • Rate Scaling
          • A Mod Sens.
          • K Vel. Sens.
          • Output Level
          • Osc Mode Determines the behavior of Freq Coarse and Freq Fine. Can be set to Ratio or to to Fixed
          • Freq Coarse If Osc Mode is set to Ratio, the frequency ratio can be set from one half (0.5 times) to 32 times, default is 1. If Osc Mode is set to Fixed, one of the following frequencies can be selected: 1, 10, 100, and 1000 Hz
          • Freq Fine If Osc Mode is set to Ratio, the frequency set by Freq Coarse can be adjusted from 1 to 1.99 times. If Osc Mode is set to Fixed, the frequency set by Freq Coarse can be adjusted from 1 to 9.772 times
          • Osc Detune Detunes the frequency set by Freq Coarse and Freq Fine over a range of -7 to +7
        • OP2 (as OP1 above)
        • OP3 (as OP1 above)
        • OP4 (as OP1 above)
        • OP5 (as OP1 above)
        • OP6 (as OP1 above)
        • P EG Rate 1
        • P EG Rate 2
        • P EG Rate 3
        • P EG Rate 4
        • P EG Level 1
        • P EG Level 2
        • P EG Level 3
        • P EG Level 4
        • Algorithm
        • Feedback
        • Osc Key Sync
        • LFO Speed
        • LFO Delay
        • LFO PMD
        • LFO AMD
        • LFO Sync
        • LFO Wave
        • P Mod Sens.
        • Transpose
    • TG2 (same structure as above)
    • TG3 (same structure as above)
    • TG4 (same structure as above)
    • TG5 (same structure as above)
    • TG6 (same structure as above)
    • TG7 (same structure as above)
    • TG8 (same structure as above)
  • Effects
    • Compress
    • Reverb (stereo plate reverb)
      • Enable
      • Size (reverb time)
      • High damp (high frequency loss in the reverb tail)
      • Low damp (low frequency loss in the reverb tail)
      • Low pass (output/master lowpass filter, useful for darkening the reverb sound)
      • Diffusion (lower settings will make the reverb tail more "echoey", optimal value 0.65)
      • Level
  • Save
    • Performance (Saves the performance configuration to performance.ini, comments in an existing file will be overwritten)

Notes

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