Title: Garmin Fenix 5X Plus review
Headings: Garmin Fenix 5X Plus review
Garmin Fenix 5X Plus review
Garmin Fenix 5X Plus: Design
Garmin Fenix 5X Plus: Sports tracking and mapping features
What is pulse ox acclimation?
Garmin Fenix 5X Plus: Smartwatch features
Garmin Fenix 5X Plus: Battery life
Garmin Fenix 5X Plus

Content: The pulse ox acclimation feature is a way to see how your body is adjusting to higher altitudes by monitoring your blood oxygen levels. We haven't been able to scale any great mountains with the 5X Plus yet, but we did take it out hiking on some hills to see what would happen. The Pulse oximeter displays as one of the widgets from the home screen, which can be scrolled to using the buttons on the left hand side. It can be set to take readings automatically or manually but – and here's the thing – it requires you to be incredibly still in order to get a read. This is because any slight movements can interfere with the sensor. That means there's a lot of holding your wrist out and " Doing the Biff " as you wait for a verdict. This is standard fare for using this technology, but a problem when you choose to have the watch take acclimation readings automatically, as when we checked there were large gaps between readings, presumably because we hadn't been still long enough at any point. You can't add oxygen saturation to your data screens, so to see it while tracking an activity you'll need to have a hot key assigne