| 摘要 |
PROBLEM TO BE SOLVED: To provide a network analyzer having a key input means enabling a user to change and set conveniently in key operation for setting and changing a parameter of a matrix form. SOLUTION: In this network analyzer, the matrix position of a parameter of a matrix form is designated by one or more designated subscripts of two or more digits showing a matrix, and according to the designation, the concerned data is displayed on a screen. The network analyzer inputs a numerical value corresponding to one or more designated subscripts by a ten-key when the subscript is the numerical value, and displays the data corresponding to the parameter of the matrix form on a screen according to the input of a designated determination key after ten-key input.
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