MainStage Map a screen control to multiple parameters
You can map a single screen control to multiple parameters and control how the screen control modifies each mapped parameter. Mapping a screen control to multiple parameters is also referred to as multimapping. You map a screen control to up to eight parameters by adding mappings in the Screen Control Inspector.
If you create multiple mappings for a screen control, you can define the relationships between the first mapping and subsequent mappings. This can be especially useful when, for example, you are mapping the same control to filter cutoff and filter resonance, and you want to ensure that resonance does not exceed a certain maximum value as you increase the cutoff value. The default relationship affects all future mappings (for the same and other screen controls), but does not affect existing mappings. The default is set to Scale the first time you open MainStage.
Add a mapping
Map the screen control to a parameter or action, as described in Map screen controls to channel strip and plug-in parameters and Map screen controls to actions.
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With the screen control selected, click the Add Mapping (+) button at the upper-right corner of the Screen Control Inspector.
A new Unmapped tab appears in the Inspector, showing the Parameter Mapping browser.
In the Parameter Mapping browser, choose the parameter to which you want to map the screen control.
If you add a mapping while the Learn process is active (the Assign & Map button is red), you can immediately learn the new mapping. There are key commands for selecting the previous and next tab to make mapping to multiple parameters easier. For more information, see Parameter mapping (Edit mode).
View all mappings for a screen control
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In the Screen Control Inspector, click the Mappings tab.
The mappings appear in a list view that shows the minimum and maximum range values and patch change behavior for each mapping and includes buttons to open the Parameter graph and Invert graph values for each mapping.
Define the default relationship between the first mapping and subsequent mappings
Select a screen control you want to map to multiple parameters.
Choose Default Relation to First Mapping from the Action pop-up menu, located in the upper-right corner of the Screen Control Inspector.
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Do one of the following:
To set subsequent mappings to be offset by a fixed value from the first mapping: Choose Offset.
To set subsequent mappings to scale by a constant ratio, starting from the same minimum value: Choose Scale.
To set subsequent mappings to scale by a constant ratio to the point defined for the mapping, starting from both the same minimum value and maximum value: Choose Pivot.