Kogan KACAR12DVRA User Manual page 8

D Delete
In the playback mode, press Menu button to enter into the delete
interface.
Press Up or Down to select the previewed file. If it is video file, it can
play or stop by pressing REC Button. If you want to delete it, press
Menu button to enter into delete mode , and then select single, all or
select by REC Button. Press UP/Down to Confirm and press Rec
Button to delete. You can select Thumbnail mode to preview more files.
Volume (from 1 to 8) and protect under the Playback Mode.