OP-Z - how do i clear a pattern? May 12, 2021 11:49 Updated press and hold [project] and [stop] and wait for the led bar to fill up.more information: OP-Z user guide Related articles OP–Z - how do i perform a factory reset? OP–Z - how to use line module for sampling. [video] OP–Z - how can i use it in a daw for midi / streaming audio / recording? OP–Z + OP-1 - can i sync them? [video] OP-Z - how do i take a snapshot of a pattern?