User Manual Chapter 6 - Using the Drives Control Keys 35Chapter 6 - Using the Drives Control KeysThis chapter tells you how to use the drives front panel control keys to set drive parameters.6.1 Control keys and LEDsThough changes to parameter values are immediately effective, they are not automatically saved. Aspecific command, the "C.000 [Save parameters] command must be used to save changes.Interpretation of LEDs:POWER-PRG (Yellow LED): Lit = inverter powered on. Flashing = parameter change not yet saved.RUN (Green LED): Lit = motor running, Run command enabled and active*.ALARM (Red LED): Lit = Drive alarm state.(*) NOTE: The green LED flashes to indicate the the motor stall prevention function is active.M Menu scroll key: Press to scroll from one parameter menu to the next (d.xxx,S.xxx, I.xxx, F.xxx, P.xxx, A.xxx and C.xxx).E Enter key: Press to access a parameter and/or confirm its value.▲ UP key: Press to scroll up through a list of parameters and/or to incrementthe value displayed. Also increments the motor potentiometerreference in the "F.000 - Motorpot ref" parameter (F: FREQ &RAMPS menu).▼ DOWN key: Press to scroll down through a list of parameters and/or decrementthe value displayed. Also decrements the motor potentiometerreference in the "F.000 - Motorpot ref" parameter (F: FREQ &RAMPS menu).▲ + ▼ UP + DOWN keys: Press simultaneously to reset the drive.