Interactive Hand-Controller Menus - click on green button to Navigate

This menu will let you Delete any of the catalogs from the micro-SDcard You can only delete whole catalogs, not the individual entries in them.
 
Clicking on any of the catalogs will delete it from the Hand Controller SDcard. You will be prompted for a confirmation menu before deleting the file.

You can select on any Catalog name to see the confirmation menu, or hit back to return to the SDcard menu.

You also may use the up and down buttons.