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 Registration of the coding switchgear How to register a handheld transmitter with the RolloPort SX5 DuoFern? Operating Instructions RolloPort SX5 DuoFern RP-SX5DF-900N-3 What do the different symbols in the display mean? F, H, L, A, rotating zero. Is it possible to connect an external push button to the RolloPort S2/ SX5?