Event Channel = 9 – Logic Pro keyboard command of the day

  Event Channel =   9

Set the Event Channel number for the selected events to 9. This saves you from having to use the cursor to drag a value up or down. You can also change the Event Channel for the selected events by double-clicking the channel field (open for editing) and typing in the channel number 1..16 and pressing return.

Change event values in Logic Pro – Apple Support

You can change the event values shown in the Event List Value, Number, and Channel columns by using the mouse as a slider or with text input. You can not directly alter the event type in the Status column.