furnace/doc/8-advanced/chanosc.md

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# oscilloscope (per channel)
The "Oscilloscope (per channel)" dialog shows an individual oscilloscope for each channel during playback.
![oscilloscope per-channel configuration view](chanosc.png)
Right-clicking within the view will change it to the configuration view shown above:
- **Columns**: Sets the number of columns the view will be split into.
- **Size (ms)**: Sets what length of audio is visible in each oscilloscope.
- **Center waveform**: Does its best to latch to the channel's note frequency and centers the display.
- **Gradient**: (document this)
- The color selector sets the waveform color. Right-clicking on it pops up an option dialog:
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- Select between the square selector and the color wheel selector.
- **Alpha bar**: Adds a transparency selector.
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- The boxes below that are for selecting colors numerically by red-green-blue-alpha, hue-saturation-value-alpha, and HTML-style RGBA in hex.
- The OK button returns from options view to regular.