To unclaim and reclaim an AFFINITY Logger from a site, please follow the following steps: 
- connect to the Affinity logger from the RSTAR Filed Affinity app.

- Click on menu Logger Options on the lower right corner.

Click on Unclaim Logger and it will unclaim the logger from the site.

You may choose the Keep All Data option to retain the data in the logger.

When you connect to the logger next time, it will ask to claim the logger to the site.

then, click on Claim to reclaim the Affinity logger to the site.