This parameter unit realizes both easy operation and advanced operation.

In normal operation, you only need to use six keys for easy operation.
To perform advanced operation such as parameter setting, open the cover and use the full key set in the direct input method to adjust the fine settings.

The cover is removable.
You can choose whether or not to generate the operation sound.
You can reset the inverter with key operation.
You can clear (initialize) the parameters easily.