Steinberg HALION4 Mode D'emploi page 216

Tuning Scale
Editing Scales per Note
Proceed as follows:
1. To the right of the scale editor, click the Notes button.
2. In the scale editor, click the Offset field of the note you want to adjust and set the
tune offset.
The offsets are applied individually to the 128 MIDI notes.
Absolute Mode
MIDI notes can contain micro-tuning information, that is, tune offsets per note. In
Absolute mode, this information is ignored and only the settings of the tuning scale
are applied. When Absolute mode is deactivated, the tuning scale settings are
applied on top of the incoming micro-tuning information.
Importing Scala Files
You can import tuning scales in the popular Scala file format via the scale preset pop-
up menu. This gives you access to thousands of tuning scale presets from the
internet.
Adjusting the Amount
With the Amount parameter, you can specify how the tuning scale is applied. At a
setting of 100 % the tune offsets are applied as specified in the tuning scale. Lower
values reduce the tune offsets relatively. At 0 %, the tuning scale is not applied at all.
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MIDI Modules Reference