How do you erase a track from a Boss RC-20XL Loop Station?

To erase a track from a Boss RC-20XL Loop Station, first, select the loop you want to erase by pressing the "Memory" button and choosing the desired memory location. Once selected, press and hold the "Undo/Redo" button until the display shows "Erase." Finally, confirm the action by pressing the "Record" button, which will erase the track from that memory location.