Until you have a receiver/reader the Libre 'disk' won't have anything to communicate with and the most useful and informative information comes in the the box with the receiver. I didn't go on a course - 1 was fitted on my upper arm, the receiver/reader switched on (which you have to leave for...
I live just outside Carmarthen and would love to get in touch with anyone this far over!!. Type 1 since age 8 - 52 years now, still having ups and downs with results, but alive and kicking!! :happy:.