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- Select a View by clicking it once, the border will turn turquoise. Make sure you don't click the button in the middle.
- Select the menu command Channel → Join or use the shortcut shift + command + J.
The previously available four Channel Views have been reduced to one Channel View.
Moving Channel Views
Drag and drop a Channel View to another Channel View. You may drop it on a disconnected Channel View or a connected Channel View. The Channel Views will then be interchanged accordingly.