Are there instructions on how to use the DataMaster™ App for the Rapid RH® 4.0ex 5.0?

Yes. The best way to get started with the DataMaster™ app is to watch the DataMaster™ app tutorial. This tutorial helps you take full advantage of using the DataMaster’s many convenient Read, Record, and Report functions. This app only works with the Rapid RH 4.0ex or 5.0 products.