The following video shows these steps for the HM-20:
1.) 0:03 Discovering the HM-20. This step is performed only once. Once the HM-20 is listed on the Monitor List, it is no longer necessary to perform this step on subsequent reads and you can proceed directly to Read Data each time.
2.) 0:19 Read Data. The data is transferred from the HM-20 to the iPhone.
3.) 1:52 Upload Data. The data is transferred from the iPhone to the Cloud.