A couple days ago I noticed my Vive would go dark while I was fishing and I thought I had some sort of driver error or game glitch. Turns out Vive pushed a SteamVR patch that agressively powersaves. The default is 5 seconds of not moving your head causing the HMD to blank (screensave). Kinda dumb because most of us sit pretty still when fishing (or, hey, watching a movie?). Anyway, up your power management time out to 30 seconds and the blanking issue goes bye bye.
