What do graphs on Edge 520 mean?

Hi I can’t work out what the vertical bar next to the target power horizontal bar on Edge 520 represents? Is it Focus? A legend/key on the website would be useful :slight_smile:

https://services.garmin.com/appsLibraryBusinessServices_v0/rest/apps/9fff72da-bb0d-4cf8-9d08-ab3d8e9f22d6/screenshots/08b3afd8-c610-4eff-a725-e597e977f102

It’s an optimal cadence gauge.

Ah - cool :slight_smile: