Fine offset HP2550 Operation Manual page 52

You will be presented with a form where you detail your station's location
and a bunch of other settings related to how you wish the site to operate. After
you complete the setup, you should see:
Make sure you are (still) logged in to the WOW site. Login as necessary. Now
click on "My Sites" in the navigation bar at the top. If you have only 1 site,
you will now be shown its page. If you have multiple, you will have to choose
the correct one first. On this page, on the right side you will find the site id just
below the map:
You will also need to establish a unique 6 digits PIN code that you should
keep secret. It is the "Authentication Key." Setup this number by clicking on
"Edit Site") and filling out the with a 6-digit number of your choice:
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