The Black socket is for line in form cd / tape players and optical connections.

The Red socket is for Microphones or direct from a Turntable.

-  Using the wrong socket will either result in distortion or the sound level being too low

Recording:  Note the lid will Lock and you can't remove the disc until it has written the TOC

Press REC and the new track number will flash, 

Editing:

DISC NAME 

ERASING TRACKS

MOVING A TRACK

COMBINING A TRACK - to put two successive tracks together, ie remove a gap.

NAMING A TRACK

DIVIDING A TRACK

Other Features

Hold,  Hold stop button down to toggle key lock on and off. (or use switch on remote)

LOCKED,  the lid will be locked during editing and recording. If your battery goes flat or you lose power you can't get the disc out until the TOC editing has finished.

BASS  use this to alter the bass sound of playback through the headphones, (doesn't alter the way the MD records)

Charging  Press STOP / MODE or CHRG to start the charging.

TOC Table of contents, the md stores a list of tracks and names. It writes to this list at the end of recording.

Error Messages

Note, Mini discs are not 100% reliable. It is quite common for all of the music to be lost as the TOC can be damaged easily, preventing access. - Annoying but true