Monitor glucose trends and patterns to show how your levels change over time.
Current glucose reading
Measured every minute, the color you see lets you know if you’re in range73.
Trend arrow
Indicates the direction your glucose is heading and how quickly it’s rising or falling.
Glucose history
Continuous glucose graph shows how your levels have changed over the last 8 or 12 hours.
Add note
Track food, insulin use, movement, and other events.
Step 1
On the app28, go to the Main Menu and tap Alarms.
Step 2
On the app28, select the optional alarm you want to change and turn on: Low, High, Signal Loss.
Step 3
On the app28, select Override Do Not Disturb if you want an alarm to display even when your smartphone is muted or Do Not Disturb is enabled.
Time in Ranges
Your Time in Ranges report shows how much of your day your glucose stayed above, below, or in your target range. The percentages in the graph tell you exactly how much time you spent steady. The standard graph is based on a Target Range of 70-180 mg/dL55.
See the overall average of your sensor readings—plus how those averages shift throughout the day.
Your main average appears at the top. Below, see how your levels tend to look in the morning, afternoon, evening, and overnight.
The colors help you read your averages at a glance:
Low Glucose Events
The Low Glucose Events chart displays times when your glucose dropped below your set levels over a period of time.
Daily Patterns
Your Daily Patterns graph helps you see the glucose patterns throughout a typical day. Here’s how to read it:
Glucose Management Indicator (GMI)
Your GMI gives you an estimate of what your [A1c/HbA1c] might look like based on your average sensor glucose. It uses your day-to-day readings to show how steady your levels have been over time.
The percentage you see reflects that estimate and helps you track your long-term progress.
Time in Ranges
Your Time in Ranges report shows how much of your day your glucose stayed above, below, or in your target range. The percentages in the graph tell you exactly how much time you spent steady. The standard graph is based on a Target Range of 70-180 mg/dL55.
See the overall average of your sensor readings—plus how those averages shift throughout the day.
Your main average appears at the top. Below, see how your levels tend to look in the morning, afternoon, evening, and overnight.
The colors help you read your averages at a glance:
Low Glucose Events
The Low Glucose Events chart displays times when your glucose dropped below your set levels over a period of time.
Daily Patterns
Your Daily Patterns graph helps you see the glucose patterns throughout a typical day. Here’s how to read it:
Glucose Management Indicator (GMI)
Your GMI gives you an estimate of what your [A1c/HbA1c] might look like based on your average sensor glucose. It uses your day-to-day readings to show how steady your levels have been over time.
The percentage you see reflects that estimate and helps you track your long-term progress.
A Signal Loss alarm11 notifies you when the sensor has not communicated with the Libre app28 for 20 minutes.
Signal loss could be caused by the sensor being too far away from your smartphone. For FreeStyle Libre 2 sensors: over 6 meters (20 ft) For FreeStyle Libre 3 sensors: 10 meters (33 ft). Additionally, the Signal Loss Alarm11 can occur if Bluetooth is turned off, or another issue such as an error or problem with your sensor.
The Libre 2 app28 updates with your glucose information every minute from the FreeStyle Libre 2 sensor. On the app’s home screen, you can view your up-to-the-minute glucose reading, trend arrow, and continuous 8-hour graph.
The Libre 3 app28 updates with your glucose information every minute from the FreeStyle Libre 3 sensor. On the app’s home screen, you can view your up-to-the-minute glucose reading, trend arrow, and continuous 12-hour graph.
The following information can be found on the Daily Graph:
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