EM500 Open-Loop Vector Control Inverter User Manual Figure 4-3 Operation Procedure from Power-on to Setting F03.28=5.28 the parameter. The difference is that after having saved the parameter: it enters the next Under all menu modes, press ENTER to save parameter change after having changed function code under all menu modes; it enters the next user-defined function code (as per the sequence in F11.00 - F11.31) under user-defined mode; it enters the next non-factory function code under non-factory defaults mode. 63