In "DVD Rip"mode, you are allowed to convert your DVD movie into various video formats for playback on popular portable devices. CloneDVD offers users perfect output video resolutions. But it also enables the professionals to custom the output video by themselves. The setting button will be available for you to go along with advanced setting.
Below we just take "the New iPad" as example: Click to popup below box:
Drop down to set the references in Video and Audio tabs. And click the "OK" button to finish.