I got sick of having to go back to the blog post, so I made a cheat sheet for switching between modes on the Steam Controller. : r/SteamController
How to Set Up and Customize the Steam Controller
Hands on with Valve's Steam Link and Steam Controller | PCWorld
Steam Controller by Valve with Its Original Box in Its Original State before Being Discontinued Editorial Image - Image of playstation, valve: 167337375
How to Set Up and Customize the Steam Controller
How to configure Steam controller without Big Picture: modify Steam controller configuration for any game or desktop application