A shared control is one overloaded with several
functions, to enable activating all of them, using the same control.
The function actually activated is determined by one of the
modes defining the active
scenario.
The function of an On-Off button is determined by the device mode. If the device mode is Off, the button function is to turn it On, and if the mode is On, the button function is to turn it Off.
Shared controls are a primary source for
mode confusion
Updated on 09 Jan 2017.