how to remove pattern on the OP-Z? clear a pattern by holding PATTERN+STOP. https://teenageengineering.com/guides/op-z/project#clear-pattern Related articles how do I perform a factory reset on the OP-Z? OP-Z, how to export projects? is it possible to run the macOS port of the OP-Z app in windowed mode? what is not covered by warranty? can i register my unit on your website?