How do I set up my Dexcom ONE+ system?

Dexcom ONE+ basics

What's in the sensor box

Sensor and applicator

During setup, we’ll show you how to use the applicator to insert the built-in sensor under your skin.
The sensor sends a glucose reading to your display device(s) every 5 minutes.
The sensor lasts up to 10 days with a 12-hour grace period.

Overpatch

After you insert the sensor, you can use the overpatch to help keep the sensor on your skin.

Instructions

Use these instructions to set up your display device and insert your sensor. You can set up the app, the optional receiver, or both. If you're using both, it doesn't matter which you set up first. If you use both the app and the receiver, you'll need to acknowledge alerts on both.

You'll need the pairing code. Find it on the applicator. Please point your camera at the QR code.

Before setting up your Dexcom ONE+, read the Safety information and product instructions in this guide.

The app or optional receiver may not be available in all regions.

For supported smartphones and operating systems, go to dexcom.com/compatibility.

Set up app

You must have secure internet access during setup and for some features. You can set up the Dexcom ONE+ app on only one smartphone

Go to the Apple App Store or Google Play Store to download the Dexcom ONE+ app.
Open the app. Log in, or create an account.
Follow app instructions to set up app.
After inserting and pairing your sensor, follow local guidelines for throwing out the applicator and recycling the Dexcom packaging.

Sensor warmup

Your sensor has to warm up before you get sensor readings. The sensor warmup timer tells you when your sensor readings and alerts will begin.

Set up receiver

1. Turn on receiver

The button with the circle on it is the Select button.
To turn on the receiver, press and hold the Select button for 3–5 seconds.

2. Set up your receiver

Follow the instructions on receiver screens to set up your receiver.
Insert your sensor using the Insert sensor instructions in this guide or in the sensor box.
After inserting and pairing your sensor, follow local guidelines for throwing out the applicator and recycling the Dexcom packaging.

3. Sensor warmup

Your sensor has to warm up before you get sensor readings. The sensor warmup timer tells you when your sensor readings and alerts will begin.

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