9 | P a g e Figure 9: The settings screen – Part I. Figure 10: The settings screen – Part II. Ownerґs Manual DEA600 Radio Menu. The Back soft key is used to exit the current screen and open the previous screen. The Back soft key button doesn’t have any effect at the home screen . The Home soft key is used to go directly to the home screen. The Menu soft key is used to open the menu related to the current screen (for example, Figure 8 ); when it is used in the Launcher the Menu soft key will open the System Settings menu ( Figure 9 and Figure 10 ). Figure 8: Settings menu related to SiriusXM audio source. Back. Home.