After activating the Enter process function of Menu 3 the list of particles together with their notation conventions is displayed. ... The syntax for the input is: . ... On the next step of input you are prompted to exclude diagrams with specified virtual particles. ... Such an input means that diagrams where the number of virtual particles is more than will not be constructed. ... If one would like to forbid the appearance of some virtual particle at all, the input " " may be shortened to the " ". ...