Magnavox MRV640 Owner's Manual page 70

You can delete specific recordings from a disc.
1
Press the
DISC-MENU .
2
Use A or B to select the title to be deleted and confirm with
C . The title editing menu will appear.
3
Select '
'
' will appear on the screen.
4
If you want to delete this title, confirm with OK . Otherwise,
end by pressing D .
5
' ' will appear on the screen.
6
An '
index picture screen. New recordings can now be added at this
location.
If the deleted title was too short (less than one minute), no
' ' will appear at this point.
Titles on DVD+R are only marked as deleted. '
the TV screen instead of '
will be skipped. The location on the disc used for this title cannot be
reused since the title has not been physically deleted. After a disc has
been finalized, no further changes can be made.
STOP h button,
or during
' using A or B and confirm with OK .
' box will now appear at this location in the
.' During playback, the deleted title
playback press
'. '
' appears on
Managing disc content