Operating instructions External release S1-S2-SX5 for up-and-over and sectional doors F. Tepaße Updated March 22, 2024 10:57 Follow Download PDF Related articles Operating Instructions RolloPort S1 Operating Instructions Light Barrier for RolloPort Garage Door Openers Operating Instructions RolloPort S2 RP-S2-700N Handheld transmitter 4580, 4550 - is the handheld transmitter still available, are there compatible replacements/successors? Are there still spare parts for the Rator 4500, Rator 8000?