Mackie C4 function buttons in Logic Pro

This section outlines the FUNCTION buttons at the lower left of the C4 control surface.

  • SPLIT button: Splits the C4 rows as follows: 4/0, 1/3, 2/2, and 3/1. This is known as a Split Edit, and allows you to simultaneously edit two separate sections of a plug-in, or even two different plug-ins.

    Split Edit is also possible across multiple C4 units. For example, with two C4 devices, pressing the SPLIT button offers the following split modes:

    • 1/7 (Split Upper is the top row of the first C4 unit; Split Lower is the bottom three rows of the first unit and all rows of the second C4 unit. LED 1/3 is lit.)

    • 2/6 (Split Upper is the top two rows of the first C4 unit; Split Lower is the bottom two rows of the first unit and all rows of second C4 unit. LED 2/1 is on.)

    • 3/5 (LED 3/1 is on.)

    • 4/4 (All three LEDs are on.)

    • 5/3 (All three LEDs are on.)

    • 6/2 (All three LEDs are on.)

    • 7/1 (All three LEDs are on.)

  • LOCK button: Turns Track Lock on or off. When LOCK is enabled, selection of a different track in the Tracks window does not switch the current track/channel selection on the C4.

  • SPOT ERASE button: Unassigned.

Download the guides:

Logic Pro User Guide: PDF

Logic Pro Instruments: PDF

Logic Pro Effects: PDF

Control Surfaces Support Guide: PDF

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