Using the Lezyne Super Pro GPS is easy. First, charge it using the water - resistant USB port. Once charged, turn it on and pair it with your power meters, heart rate sensors, etc. via Bluetooth or ANT+. You can also pair it with the Lezyne Ally phone app for more features. To navigate, use the map page on the screen. Rotate the device horizontally as needed. For maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures. When not in use, store it in a safe place. And don't forget to check the battery regularly and recharge it when it's low.