You can display how much of the media in use is left. By setting the amount of media currently remaining at the start, the amount remaining will be constantly displayed on the screen until it reaches zero.
Because the amount of media remaining is not updated automatically when you change the media, redo the setting whenever you change the media.
MEMO
The remaining amount that is displayed is only an estimate. The accuracy of the remaining amount is not guaranteed.
Procedure
Set up the media.
Tap the following location on the home screen.
The Remaining Media Management screen appears.
Tap or to enter the length of the remaining media.
or 
to enter the length of the remaining media.
.
The remaining media is displayed.