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68 Chapter 3 Mackie Control
Master Fader
Controls the level of the master channel strip in the Logic Express Mixer. This raises or
lowers the level of all output channel strips, without changing their relative levels.
When no master channel strip exists in the project, the Mackie Control Master fader is
mapped to output channel strip 1-2.
If you use multiple audio systems simultaneously, the Master fader only controls the master
channel strip of the first device (matching the order shown in the Audio preferences).
Assignment Zone
Directly below the Assignment LED are six ASSIGNMENT buttons.
Press one of the ASSIGNMENT buttons to select the type of parameter that you want to
control or edit—with the channel strip V-Pots, faders and switches. The corresponding
LED is lit to indicate the currently active assignment, and the Assignment display shows
a two-digit abbreviation of the assignment type.
The ASSIGNMENT buttons work in both Single and All view. View modes are discussed
in “Control Surface Group Parameters” on page 24.
Assignment Modes
Each ASSIGNMENT button has two views: Mixer view and Channel view. These views
provide two ways to edit parameters in your project.
 Mixer view: Displays, and allows you to edit, a single parameter in multiple channels.
 Channel view: Displays, and allows you to edit, multiple parameters for a single
channel. The mode display shows a period in the lower-right corner when Channel
view is active.
Pressing an ASSIGNMENT button once selects it, and switches to the Mixer view, except
when switching between Instrument Edit view and Plug-in Edit view. In this case, the
mode remains in Channel view.
Note: For each of the ASSIGNMENT buttons: the parameters you can edit will change,
depending on the active view mode. See the following sections for specific information
on the parameter types shown for each assignment.
The NAME/VALUE button also affects what is shown on the main LCD when in the
Mixer and Channel views. More information in the “Function Key Zone” on page 84.