INFORMATION TERMINAL AND INFORMATION TERMINAL SETTING METHOD

摘要

PROBLEM TO BE SOLVED: To easily perform the setting of an information terminal or the initial setting of an information terminal and a setting terminal.SOLUTION: Sound 2 containing a specific frequency of a non-audible sound region is broadcast and frequency-analyzed by an information terminal 1 to obtain a setting signal, thereby easily enabling the setting of the information terminal 1 or the initial setting of the information terminal 1 and a setting terminal.