Selecting the log on option will move the controller on to a page that looks similar to this:

Press the 0 key to confirm the log on action. The controller will return to the front page ready for the next worker ID scan. Press the Back key to return to previous pages to review or edit them.

Using this option tells the system that you are adding yourself to an already running operation as a ‘helper’. There can be any number of ‘helpers’ logged-on to an operation. All helpers contribute time to the operation (and hence cost).