Empirical study on the improvement of usabilities for navigation instruments - Recommendations based on questionnaire survey results on the convenience of navigational instruments-

Abstract

 The development of navigational instruments is remarkable in recent years, and the number of very convenient equipment is increasing. However, it is increasing at the same time a questionable function as to whether it is a function for convenience for the user. The factors by conducting a questionnaire survey on navigational instruments to users were analyzed and identified.