The confusion is due to overloading a control with several functions.
For example, if the On-Off button of a home TV serves for turning on and off both the TV screen and the digital converter, then the device activated is the one that matches the mode of device selection. In case of confusion, the users might unintentionally turn on or off the wrong device.
Control confusion is often the result of distraction ...
Updated on 23 Dec 2016. Click on a link on the left to view its content here.