<pre> For each message it should be possible to select if those messages should be displayed in the FS and/or a chime sound should be played. The current message types are the following: * Logger error messages * Information message (e.g. flight stage) * Fault messages * NOGO Fault messages * Gate system message (free gates, etc.) * Environment message (e.g. welcome to ... airport) * Help messages (don't forget to set ...) * Visibility messages </pre>