Mark Levinson 31 Manual page 9

To "cue up" the beginning of a CD or track, press Pause before
pressing Play (5). To begin play, press Pause again. (You may also
select another track or index while play is suspended.)
8 Previous
This button's function depends on whether or not the Nº31 is in
index mode. (See "Front panel.")
While the Nº31 is in index mode, pressing Previous "skips" the laser
pickup to the previous index . If index mode is inactive, pressing
Previous skips the laser pickup to the previous track .
Pressing Previous while a CD is playing suspends play, skips the
laser pickup to the previous track or index on the CD (or in a
program), and begins play there.
Note: If you press Previous while the first track on the CD (or in
a program) is playing, the Display will show FIRST TRACK, and
play will resume with that track.
Pressing Previous before play begins skips the laser pickup to the
beginning of the last track or index on the CD; pressing Play (5)
begins play there (temporarily overriding any existing program).
9 Next
This button works in the same way as Previous (8), except that it
skips to the next track or index.
While the Nº31 is in index mode, pressing Next skips the laser pickup
to the next index . If index mode is inactive, pressing Next skips the
laser pickup to the next track .
Pressing Next while a CD is playing suspends play, skips the laser
pickup to the next track or index on the CD (or in a program), and
begins play there.
Note: If you press Next while the last track on the CD (or in a
program) is playing, the Display will show LAST TRACK, and
play will resume with that track.
Pressing Next before play begins skips the laser pickup to the
beginning of the next track or index on the CD; pressing Play (5)
begins play there (temporarily overriding any existing program).
9