Magnavox MRV640 Owner's Manual page 11

An unauthorized action was attempted during recording (e.g. pressing
the OPEN/CLOSE J button).
An empty tile is selected.
An attempt was made to record on a protected disc during playback.
This message will also appear when an attempt is made to insert a
chapter marker( EDIT button).
An error occurred when writing the title. If this happens often, please
clean the disc or use a new one.
Read section 'Cleaning discs'.
An error occurred when writing the title. The recording will continue,
but the error will be skipped.
After the automatic channel search, the menu for setting the time/date
appears on the screen.
During automatic channel search, the detected TV channels are
counted.
It is not possible to close/open the disc tray.
The new recording will be added to the end of all recordings (SAFE
RECORD).
After the creation of the menu structure the disc is prepared.
The DVD Recorder has been switched on.
The DVD Recorder has been switched off.