Dexcom ONE+ CGM System
Introduction to Dexcom One+ CGM System
What are the Dexcom ONE+ system components?
The Dexcom ONE+ CGM system components benefit from the following features: sensor and patch; applicator; display device; receiver (optional)
What is a Dexcom ONE+ receiver?
The Dexcom ONE+ receiver is an optional display device that can show your glucose readings and trends.
Is there any difference between Dexcom ONE+ app and Dexcom ONE+ receiver?
The Dexcom ONE+ receiver is a dedicated medical device. The app is not, but both the receiver and the app provide: current glucose information; an integrated Clarity card for glucose reports; customisable glucose alerts.
Is it painful to insert a Dexcom ONE+ sensor?
The Dexcom auto applicator was designed for easier, more consistent sensor insertions.
Using your Dexcom ONE+ CGM System
What is optional calibration?
Calibrating your Dexcom ONE+ is optional. The Dexcom ONE+ and systems are designed to work properly without calibrations.
Can I view my Dexcom ONE+ on an Apple Watch?
Yes, you can check your CGM information on your wrist! The Dexcom ONE+ App supports Apple Watch and can be used to discreetly view your glucose reading, trend arrow, and trend graph.
What are the Dexcom ONE+ in-app reports, and how do I use them?
Reports on your display device are an important part of your CGM system, providing a holistic view of your diabetes management by providing historical data, highlighting trends, and offering statistics.
Can I use my Dexcom CGM while traveling?
Dexcom CGM systems are designed not to impact your travel. Just follow these instructions.
Setting up your DexcomONE+ CGM System
How do I set up my Dexcom ONE+ system?
Use these instructions to set up your display device and insert your sensor.
What is a sensor code and why do I need one?
Pairing with Dexcom ONE+ app: When starting a new sensor, use the camera on your smart device to scan the QR code printed on the applicator.
How do I set up my receiver?
To set up your receiver, refer to the Set up receiver section in the Dexcom ONE+ Start Here guide.
Where do I insert my Dexcom ONE+ sensor?
All Dexcom ONE+ users can insert their sensors on their abdomen or the back of their upper arms.
Dexcom ONE+ Compatibility
What if my smartphone is NOT compatible with Dexcom ONE+?
If your smart device is not compatible with the Dexcom ONE+ app, you may use a Dexcom ONE+ receiver as your display device.
Is my smartphone compatible with the Dexcom ONE+ app?
A variety of iOS and Android smart devices are compatible with the Dexcom ONE+ app. To view a list of compatible smart devices, visit dexcom.com/compatibility.
I want to get a new phone. Will this affect my Dexcom CGM?
A variety of iOS and Android smartphones are compatible with Dexcom CGM apps.
Troubleshooting your DexcomONE+ CGM System
What does the Signal Loss alert mean?
Your display device may be too far from your sensor or there may be something, such as a wall or water, between your sensor and your display device.
What do I do if I receive the Sensor Failed alert?
This issue may happen anytime during a sensor session. If you get this alert, go to its Help screen for more information.
What does the 'Bluetooth is off' alert mean? | Dexcom
The "Bluetooth is off" alert means this function is turned off. It will either show as App Bluetooth is off or Phone Bluetooth is off. Bluetooth must be on to get glucose information on your smart device*.
What does Pairing Unsuccessful mean?
Pairing usually takes less than 5 minutes for the app and less than 10 minutes for the receiver. If you get this alert, go to its Help screen for more information.
Replacing your DexcomONE+ sensor
My 10-day sensor session is going to end soon, and I want to change my sensor early. Can I change the sensor now?
The Dexcom ONE+ sensor is indicated to be worn for up to 10 days, plus a 12-hour grace period at the end. You can replace your sensor sooner.
How do I replace my sensor and start a new sensor session?
Each sensor session lasts up to 10 days with a 12-hour grace period at the end. The grace period gives you more time to replace your sensor, so you can do it when it's convenient for you.
Sharing DexcomONE+ with Followers
Can my Followers customise notifications?
Your Follower can customise notifications. For example, they can change their settings so they know when you go below 3.9 mmol/L for more than 30 minutes.
What are the recommended Android phone settings for Follow app?
Your phone settings can prevent the Dexcom Follow app from working. Learn more about the settings that will allow your app to work as expected.
Can I customise notification settings?
Yes, you can choose which glucose notifications you receive for each Sharer. Changes to settings in the Follow app do not affect the Sharer's CGM settings.