How many hand-held transmitters can be registered to the RolloPort? Y. Beenen Updated February 07, 2024 10:46 Follow Up to 15 handheld transmitters can be registered. Related articles What do the different symbols in the display mean? F, H, L, A, rotating zero. Operating Instructions RolloPort S1 Device settings for garage door openers in conjunction with the HomePilot®. Which hand-held transmitter fits my garage door drive? Which replacement types/successors can be used?