These options can be accessed by pressing the MENU button while in Playback Mode.

Delete

Lets you delete either the current file or all files.

Protect

Lets you lock either the current file or all files.  A locked file will be saved permanently and will never be overwritten.

Slide Show

This option is currently not active.

Thumbnail

Shows thumbnail images of all saved files.  You can use the front chrome buttons to scroll through the files. Press the orange button to select the highlighted file.