• The Digital Wellbeing feature is intended to prevent alerts. If this feature is enabled, the Guardian
app will not send alerts. If the app timer is set in the Digital Wellbeing feature for the Guardian
app, the app will shut down and will not send any SG alerts when the timer expires.
• Do not lower the vibration level to the lowest setting in the Android™* Vibration intensity menu.
If vibration is lowered to the lowest setting, the app will not send any vibrations with the alerts,
including Urgent Low Alert.
• Alerts for the Guardian app will sound through headphones when headphones are connected. If
headphones are connected when not in use, SG alerts may not be heard.
iOS™* Users
• Allow Critical Alerts and Notifications for the Guardian app. If Critical Alerts or Notifications is
turned off, the app will not send any alerts, including Urgent Low Alert.
• The Downtime setting within the Screen Time feature is intended to prevent alerts during the
Downtime period. If this setting is enabled, the Guardian app will be prevented from sending
alerts.
• Do not turn off vibration in the iOS™* Accessibility menu. If vibration is turned off, the app will not
send any vibrations with the alerts, including Urgent Low Alert.
If a serious incident related to the device occurs, immediately report the incident to a healthcare
professional.
Precautions
Diabetes treatment decisions should be made based on a combination of SG readings, trend arrows,
glucose target ranges, active alerts, and recent events (such as insulin doses, exercise, meals, and
medications).
Using CGM information to make treatment decisions
After becoming familiar with CGM, treatment decisions should be made based on all the information
available, including the following:
• SG readings
• Trend arrows
• Active SG alerts
• Recent events such as insulin doses, medication, meals, exercise, etc.
Consult a healthcare professional to determine the right glucose target ranges.
Risks and side effects
Software malfunction or failure to follow instructions of the Guardian app can lead to hypoglycemia,
hyperglycemia, diabetic ketoacidosis, or possibly death.
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