To create a node, click inside the HyperDraw area or the automation track.
To move a node, grab it and drag it to a new position.
To delete a node, click it quickly.
To create an automation curve in Logic Pro, hold down Ctrl-Option and then drag the line between two nodes. The type of automation curve you create is dependent upon whether you drag the line up, down, right, or left.
To enable or disable Track Automation in the Arrange window, choose View > Track Automation.
Automation modes (and not the Transport's Record button) determine how Logic records Track Automation.
In general, it's best to use the Touch or Latch modes to record automation because they do so for only the parameter you are currently moving.
The Write mode overwrites all automation data.
Automation Quick Access is used to assign automation to a slider or knob on a hardware MIDI controller keyboard. Setting up Quick Access is done in the Track Automation Settings window.
