Operating instructions RolloTron swivel winder standard DuoFern 2510/2550 Y. Beenen Updated April 28, 2024 05:50 Follow Download PDF Related articles Operating Instructions RolloTron Swivel Winder Comfort 1500/1540 Operating instructions RolloTron Basis DuoFern 1200 How can I access the HomePilot PC interface? Why are some devices displayed pale in the app? Which devices can I control with Alexa via the HomePilot®? What are good commands for Alexa?