Apple MainStage 3 - Manual (Page 60)

Chapter 5 Work in Edit mode 60
7 On your keyboard controller, press the key you want to set as the highest key in the key range.
8 To turn off Learn mode for the High Key, click the Learn button again.
When you play the patch, you hear the channel strip when you play notes inside the key range.
When you play notes outside the key range, no sound is generated from the channel strip.
Define a key range using the value sliders
1 In the Channel Strips area, select the channel strip.
2 In the Channel Strip Inspector, click the Layer Editor tab.
3 Change the value in the Low Key value slider.
You can drag vertically, click the up arrow or down arrow, or double-click the value and enter a
new value.
Set the high key and low
key using these value
sliders.
4 Change the value in the High Key value slider.
You can drag vertically, click the up arrow or down arrow, or double-click the value and enter a
new value.