Customizing control surfaces – Apple Logic Pro 7.2 User Manual

Page 29

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Chapter 1

Control Surface Setup

29

Show info when editing volume
When this option is checked, and you edit a track’s volume, you will see “Volume” in the
upper row and the new volume value in the lower row. You can disable this feature, if
you find it disconcerting.

Show Value Units For:
Allows you to adjust whether parameter values will be appended by the measurement
“unit,” where applicable—“Hz” or “%”, for example. You can set this option separately for
Instrument / Plug-in parameters and Volume and other parameters. If you can do without
the value units, the display is less cluttered.

Note: This parameter only applies while editing.

Customizing Control Surfaces

Logic allows you to reprogram existing assignments for supported control surfaces and
to program new assignments for unsupported control surfaces. This facility allows you
to extend the use of faders, knobs, and switches, either directly or through the use of
modifier commands. As an example, The buttons F1 to F8 of the Logic Control are
assigned to screensets 1 to 8 by default. When reassigned directly, or combined with
the Shift, Option, Control, and Command modifiers (used in any combination), you can
freely assign any command to these function keys (F1 to F8).

To assign a MIDI control to a parameter:

1

Click the destination parameter that you want to “teach” Logic.

2

Activate Learn by pressing Command-L (default), or via the Logic > Preferences > Control
Surfaces > Learn Assignment for “xxx”
menu option (the parameter name is appended to
the menu item text).

3

The (small) assignment editor window is launched, with the Learn Mode button
enabled.

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If you continue to hold down the computer’s Command key (or whatever modifier
key is assigned to the key command), a Help Tag will indicate what needs to be done
next (move control, for example).

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If MIDI messages are received while the Command key is held down, releasing the
key closes the Help Tag window, and the learn procedure is completed.

Note: If no MIDI messages are received, releasing the Command (modifier) key(s) leaves
the Learn Mode button enabled, allowing you to immediately retry the generation of
the intended control message. You will need to disable the Learn Mode button
manually, once the procedure is completed.

To abort the learn procedure:

m

Either press Command-L a second time, or click the Learn Mode button.

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