[. . . ] [. . . ] Two short rack ears are to be mounted to the sides of the coupled receivers. This picture shows of which parts the RMU60 consists (2 Rack ears, 3 Coupling pieces, Blind panel, Set of screws) Correct positioning of rack ear and coupling piece. The blind panel is already fixed to the rack ear using screws, toothed washers and nut The rack ears are put in place and the coupling piece is inserted into the side slots of the SR. By turning the Phillips screws the two parts of the coupling piece are pressed against the rim of the receiver's slots and safely fixed. [. . . ] [. . . ]