1. A television-set adjusting system comprising: a computer which stores adjusting parameters, which are used for an adjusting process of a TV set connected thereto when said adjusting process is executed, outputs the adjusting parameters and causes the adjusting parameters to execute a predetermined adjusting process, gathers the result of said adjusting process execution, and sets up said TV set on the basis of the adjusting process; and a TV-set adjusting instrument which is connected to said computer, receives the adjusting parameters and executes the adjusting process, and outputs the result of the adjusting process execution to said computer.