Your system has a continuous play feature that allows another source (FM, AM, Aux) to automatically start playing once a CD has ended.
on the remote, press and hold alarm setup/menu until "setup menu" is displayed
press tune/mp3 > three times until "cont play" is displayed
press time – or time + to select fm/am radio, aux or no
press alarm setup/menu to exit the setup menu or wait 10 seconds for the setup menu to end automatically