Magnetic monotrack or multitrack reading and/or writing head.

Independant from the screen display, the paper printing can be monotrack or multitrack.

It also offers the following options for the display of scores: full screen, horizontal/vertical scrolling, single-track/multi-track view, and zoom.

The invention relates to a method for cleaning guide rollers, according to which a strip of material (1) is provided with retrievable single or multitrack signal information (6, 7).

Magnetic recording can cope with both single-track type and multiple-track type, and can prevent interference between the optical head and the magnetic head.

Choose your display options from the screen or page mode, horizontal or vertical scrolling, monotrack, multitrack, and full-screen mode, and 25-800% zooming.

Naturally, the company does not forget its origins and offers the renewed version of a great successful classic, the MSELF PRO, the complete and reliable single rollover machine, highly appreciated on the international markets by major oil companies.