Owner´s Manual DEA600 Radio20 | P a g enavigation system and the Rear Aux is set automatically, if no other sourcewith higher priority is active (I.E. phone call, video, reverse mute…).During this Mode, the Radio streams the audio from the Navigation systemon the speakers (Stereo Signal). This operation is available under thefollowing conditions: With Ignition ON and System ON: the radio shallchange to REAR AUX IN mode.If the Navigation audio is deactivated, then the radio shall switch to the lastsource (if available) if not, the radio shall return to the last tuner mode.Radio SourcesThe System displays the 4 Radio sources into the next to the rightsubsequent tab-bar as illustrated on Figure 29: AM FM SiriusXM WXFigure 29: Audio App Tuner SourcesThere are 7 presets for WX, 12 presets for FM, 12 presets for AM and 18presets for SXM; 6 presets will be shown on each screen. Additional presetscan be viewed by swiping the preset bar. Each preset works as soft keybutton selector.In order to save a station in to a memory: Tune to the desired station. Press and hold one of the 6 presets. When the selected station is displayed on the preset, the stationhas been saved in the selected preset.The System displays the current tuned frequency along with thecorresponding radio Band.The systems display a specific screen interface for the SiriusXM source.AM/FMThe System presents the following control soft keys as part of the AM/FMradio source interface: Next Previous Scan Strong Station list Update ListTo perform SEEK UP function it is necessary to press and release NEXTsoft key on the screen.To perform SEEK DOWN function it is necessary to press and releasePREVIOUS soft key on the screen.TUNE UP is performed by pressing and hold NEXT soft key.TUNE DOWN is performed by pressing and hold PREVIOUS soft key.The AM/FM radio sources screens follow the distribution and stylingprevious Figure 29 illustrates.WXThe WX band is for Governmental weather radio services frequencies; theradio can tune 7 weather channels.The System presents the next control soft keys as part of the WX radiosource interface: