Abstract
The purpose of this study is to determine the effectiveness of a tool to visualize the operation logs of BtoB equipment.The results of analyzing the operation logs with the visualization tool were discussed based on academic findings related to UI/UX in the design and cognitive industries, and the following conclusions were reached.Functionality and convenience can be understood from the perspective of user cognition. It is possible to understand issues related to user behavior, proficiency, and efficiency of operation. Some parts can be explained by academic findings, and their effectiveness in improving UI and UX was recognized.