KaWaL diagnostic and learningBOX documents are available for download.
Two documents will show you this
Overview of KaWaL Diagnostics and Specific Applications
Overview of learningBOX, its functions, and how to use it
The KaWaL Diagnostics document introduces the issues that can be solved by KaWaL Diagnostics and the specific images of its use, while the learningBOX document explains the functions and usage of the learningBOX.