 How to change the satellite settings for better accuracy or increased battery life on your Garmin watch. First press and hold the middle left button to access the settings menu. Scroll up or down until you reach system, and then press the top right button. Inside the system menu scroll down until you see satellites. Press the top right button to enter the satellites menu. Before you do anything else, make sure to subscribe to the Film My Run YouTube channel. For the best battery life and reasonable accuracy, select GPS only. For the very best accuracy, scroll down and select all plus multi-band. You can also select different satellite options for different runs. So select the type of run you're going to do. Long press on the middle left button. Press the top right button to select run settings. In the run settings menu, scroll down until you find satellites, and there you can select as before.