Once installed, Frugal Propulsion is part of the remote control system (RCS), much like any other control handle on the bridge. Activating and deactivating Frugal Propulsion is done using standard take over procedures as defined by the PCS vendor. All engine protection and alarm systems remain intact, just as they should be.
Using Frugal propulsion is equally easy. Use the thrust buttons or the on-screen thrust slider to set the desired thrust and that is it. Everything else, and that is quite a bit, happens