PR7 Selecting Sub-Folders in a Category Folder.
1) Press and hold [MENU] button until rec flashes.
2) Press [RIGHT ARROW] button until the number beside the R or M is flashing.
3) Press the[ + ] or [- ] button to move thru folders R0 thru R9 and M0 thru M9.
4) Press home to return to normal operation.