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52 Chapter 2 Customizing Controller Assignments
If you choose the Fader Bank, Index, Audio, Software Instrument, Bus, Auxiliary, Output,
or Master setting in the Channel Strip pop-up menu, the following two parameters
become available:
 Number field: A 0-based offset, which is added to the channel strip number. Typically,
this field is used for sequential controls: Fader 1 uses offset 0, Fader 2 uses offset 1,
and so on.
 Parameter field: Text description of the addressed parameter. Can only be set by
choosing the Logic Express > Preferences > Learn Assignment for <parameter name>
menu item. Note that for plug-in and instrument parameters, Parameter Page offsets
apply, allowing you to shift the parameter addressing up and down by “pages.”
Key
Choosing the Key class lets you use assignments to emulate computer keyboard
keystrokes. You define the key you want to emulate in the Key field, which appears
below the Class menu. This is not case-sensitive.
Key Command
Choosing the Key Command class lets you use an assignment to perform a key
command. You define the desired key command in the Command field, which appears
below the Class menu. Some key commands provide on/off or enabled/disabled
feedback.
If you want your key command assignment to be executed repeatedly, select the Key
Repeat checkbox at the bottom of the Controller Assignments window. For further
information, see “Key Repeat Checkbox” on page 57.
Click the Show button to open the Key Commands window. The key command shown
in the Command field is automatically selected/shown in the Key Commands window.