In rare cases, it is necessary to press the MGT button while setting a route. This happens when the route begins at a so-called "Middle Switch" that is in reverse position. These switches always show their current position.
Middle Switch button
Operation
To set a route from a middle switch that is in reverse, press the MGT button, followed by the start and end signal buttons.
When to Use MGT
Knowing when to use the MGT button is described in the Köln Hbf page.
