﻿The staircase function can be extended by the two supplementary functions "Time extension" and "Time specifications via bus", which should be used alternatively.
This parameter enables the desired supplementary function and thereby activates the necessary parameters or objects.

*no supplementary function*: No supplementary function is enabled.

*Time extension*: The time extension is activated. This function permits retriggering an activated staircase lighting time spann-times via the object "Staircase function start/stop.

*Time preset via the bus*: The time preset via the bus is activated. With this supplementary function, the configured switch-on time can be multiplied by a factor received via the KNX, thus it can be adapted dynamically.
