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Instructions for Use
Start Here
This G7 User Guide introduces you to the display device screens, leads you through
making treatment decisions, and shows you how to move to your next sensor session.
Each sensor session lasts up to 10 days with a 12-hour grace period at the end.
In addition, this guide shows you where to customize your alert sounds, how to get
your glucose information to your support team, how to make a second alert profile in
your phone app, and much more.
Images are representational. Your display device screens and components may look
different.
The phone app runs on both Android™ and Apple smart devices. The watch app runs
only on Apple Watch. For supported smart devices and operating systems, go to
dexcom.com/compatibility.
2
To set up your G7, use the instructions in your Start Here
guide.
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Do you have a question about the G7 and is the answer not in the manual?
Questions and answers
changed sensor, it paired but get a message sensor failed start new sensor
The Dexcom G7 sensor may show a failure message after pairing due to issues such as using an outdated sensor version that is not compatible with certain devices, signal loss, or sensor adhesion problems. If pairing with a Tandem hybrid closed-loop system, an older Dexcom T7 version may cause an error message like "sensor not started 43t." Checking the sensor's LBL number and ensuring compatibility can help resolve the issue. If the problem persists, contacting Dexcom for a replacement may be necessary.
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How long after eating does readings reach the sensor?
The Dexcom G7 sensor measures glucose in interstitial fluid, not blood, and glucose levels in interstitial fluid can lag behind blood glucose levels, especially when glucose is changing rapidly. This means that after eating, the sensor reading may take some time to reflect actual blood glucose changes. The exact time can vary, but differences are more noticeable when glucose levels are rising or falling quickly.
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Wait time between showing & inserting new G7 sensor
The Dexcom G7 sensor has a 12-hour grace period at the end of its session, allowing time to replace the sensor. After inserting a new sensor, there is a sensor warm-up period before readings and alerts begin.
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Power off is where
The power off button on the Dexcom G7 receiver is the right button with a circle on it, also known as the Select button.
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How to change zone settings in G7 on Android phone app?