Apple MainStage User Manual download pdf (Page 76)

76 Chapter 7 Working in Layout Mode

Deleting Screen Controls

If you decide you no longer want a screen control in your layout, you can delete it from

the workspace.

To delete a screen control:

1 Select the screen control you want to delete.

2 Choose Edit > Delete (or press the Delete key).

When you delete a screen control, any assignments or mappings for the screen control

are deleted as well.

Assigning Hardware Controls to Screen Controls

To use MainStage with a MIDI controller, you assign hardware controls on the controller

(such as faders, knobs, buttons, drum pads, and pedals) to screen controls in the

workspace. After you assign a hardware control to a screen control, the screen control

receives the MIDI messages from the hardware control. You only need to make

controller assignments once for a concert as long as you use it with the same hardware.

You assign hardware controls to screen controls using the Learn process, which is

similar to the process for learning controller assignments for a control surface in

Logic Pro 8. The Learn process is described in “Learning Controller Assignments” on

page 30.

When you assign a hardware control using the Learn button, MainStage determines

the type of MIDI message the control sends when you move it, and the range of values

the control is capable of sending. When you map the screen control to a channel strip

parameter or an action, MainStage converts (or “maps”) the range of values sent by the

hardware control to the optimal range of values usable by the parameter.

For example, many faders, knobs, and other MIDI controls send a range of numeric

values between 0–127. You could map a hardware knob with this range of values to

control the frequency parameter of an EQ effect, which has a range of usable values

between 20 Hz–20 kHz. When you map the screen control for the knob to the EQ

frequency parameter, MainStage converts the values sent by the hardware knob to be

distributed between the minimum (20 Hz) and maximum (20 kHz) values for the

parameter.

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Apple MainStage User Manual Page 76