The PIN code is used to quickly download the track to the RBR Roadbook Reader app. No need to create an account.
Open the app and enter the roadbook PIN code. The roadbook will instantly download to the app.
Only Tracks with "public" or "unlisted" visibility can be loaded into the app using a PIN code.
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how to load the track (roadbook or gpx rail) in the RBR Roadbook Reader app.