What are the key combinations for the DuoFern wall switch 1-channel? F. Tepaße Updated February 06, 2024 11:11 Follow Related articles Operating instructions DuoFern wall switch 1-channel 9494-3 Activate login mode: DuoFern wall switch 1-channel 9494-3 Can the wall switch 1-channel be integrated into other switch programs? How many devices can be controlled with the wall switch 1-channel? Can the direction of rotation be changed via the Multiple Wall Controller?