Press and hold SET key for 3 seconds to enter intothe setting mode and display F01, press SET keyonce to display the value of F01, then press ADJUSTkey to adjust the vale of F01; press SET key again,return to display F01, then press ADJUST key toswitch to F02, same method to set other parameters.Press and hold SET key for 3s, or there is no any keyoperation for 15s, save and exit