Using Dexcom ONE in the Long Run

How do I replace my transmitter?

Last Updated · August 5, 2022

You will get a notification when a Dexcom ONE transmitter battery has died or the system detects a problem.

To pair your new transmitter after you receive the "Replace Sensor & Transmitter Now" notification, follow the video instructions here.

5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system, from getting started, your first 10 days, to using Dexcom ONE in the long run.

Step 1: The basics of CGM
Step 2: Getting started
Step 3: Your first 10 days
Step 4: Using Dexcom ONE in the long run
Step 5: Understand your Diabetes trends