Dexcom ONE Overview System Components 1. Your smart device • Shows glucose information (Smart device not included.) • For a current list of compatible smart devices, go to dexcom.com/compatibility Your smart device 2. Applicator with built-in sensor • Applicator inserts sensor under the skin •...
How It Works After inserting sensor, attaching transmitter, and starting a session, Dexcom ONE sends sensor readings to your phone. All graphics are representational. Your product may look different. Critical Safety Notices! Dexcom ONE Alerts No glucose alerts unless you turn them on •...
Set Up Step 1: Set Up App Set up your app before inserting your sensor. 1. Go to the app store 2. Search for Dexcom ONE 3. Download and open the app With the app open, follow the onscreen instructions. ...
Page 6
Step 2: Insert Sensor A. Choose a Sensor Site Ages 2-17 years only Can use upper buttocks All people ages 2 and older Can use the abdomen or back of upper arm Avoid: boney areas, irritated skin, tattoos, and areas that get bumped.
B. Insert Sensor Wash hands and sensor site with soap. Dry. Scrub sensor site with alcohol wipe. Peel off adhesive backings from applicator. Do not touch adhesive. Keep the backings. They show your sensor code. Place applicator on skin before breaking safety guard.
Step 3: Attach Transmitter Clean transmitter with alcohol wipe. Insert transmitter, tab first, into holder. Snap in transmitter. It clicks into place. Make sure it is flat and snug in holder. Rub around patch 3 times to help it stick. Step 4: Sensor Warmup •...
Page 9
2. You will see a list of alerts 3. Tap one you want to set 4. Follow the screen prompts 5. Return to Settings > Alerts to set another one 6. Tap Glucose to return to the home screen Smart Device Safety Notice Your smart device isn’t a dedicated medical device.
Page 10
• The app uses your smart device’s battery. Keep your phone charged to get readings and alerts. • If your smart device or the Dexcom ONE app closes or isn’t working, you will NOT get readings or alerts. Occasionally check that the app is open and Bluetooth is on.
Need help?
Do you have a question about the one and is the answer not in the manual?
Questions and answers