JMRI : CBUS Simple Mode Switcher Tool
The mode switcher controls the programming modes that are available for
the connected command station. Not all CBUS command stations support
the mode switcher.
Open the Mode Switcher (if available) from the SPROG Generation 5 menu.

Select programmer mode for service mode programming on a programming track
Select command station mode for running trains and using ops mode (on the
main) programming.

The Decoder Pro main window status bar shows the currently available
programmers.

CBUS® is a registered trade mark of Dr Michael Bolton