UK version. A black and white printout copy of the Sonifex Micro Hs stack 3-cart players operating procedure and service manual, 65 pages in all. English version. It consists pages of instructions to the user illustrating how to connect up the stack of cart players and use the players in a studio environment. It contains instructions on how to wire up the different pins of each connector to the rear of the machines. It also contains illustrations of all the printed circuit boards, with all the various components and their values, along with the schematics of each circuit. Information on every electronic components and their values are referenced. In the appendix. It is useful and valuable tool to a service engineer to locate faulty components with reference to the printed circuit diagrams and replace likes for likes. This is a rare item that is normally reserved for professional engineers. This is the British version. Strictly No return please as some crafty buyers have copied the papers and return in the past. Manufacturer: Sonifex. Model Micro hs.