FreeStyle Libre 2: Alarm Setup Guide

You Can Do It Without Lancets

This guide explains how to set up alarms on your FreeStyle Libre 2 system using both the mobile app and the dedicated reader.

Introduction & Overview

The FreeStyle Libre 2 system allows you to monitor glucose levels and receive alerts for low or high glucose readings, helping you manage your diabetes effectively. Scanning the sensor to obtain glucose values does not require lancets.

For children aged 4-12, a caregiver at least 18 years old is responsible for supervising, managing, and assisting them in using the FreeStyle Libre System and interpreting its readings.

Setting Alarms on the FreeStyle LibreLink App

It's easy to set alarms on your FreeStyle LibreLink app.

Step 1: Tap Alarms in the menu

Navigate to the main menu and select 'Alarms'. This is typically found by tapping a menu icon (often three horizontal lines) on the app's home screen.

Step 2: Touch low glucose alarm and turn on alarm

Select 'Low Glucose Alarm' and toggle it to 'On'. Alarms are off by default. The system may also display a 'Signal Loss Alarm' which is automatically turned ON to notify you when your Sensor is not communicating with the App. You can manage this alarm by selecting 'Signal Loss Alarm' to turn it ON or OFF.

Step 3: Scroll to select Low Glucose Value

Choose the 'Low Glucose Alarm' threshold. The default is 70 mg/dL, and it can be set between 60 mg/dL and 100 mg/dL. Tap 'Save' after selecting your desired value.

Step 4: Touch Alarm tone and make your tone choice

Select your preferred alarm tone for the low glucose alert.

Step 5: Set your high glucose alarm using the same steps

Repeat similar steps to set the 'High Glucose Alarm'. The default is 240 mg/dL, and it can be set between 120 mg/dL and 400 mg/dL.

The FreeStyle LibreLink mobile app is compatible with NFC-enabled smartphones running Android 5.0 or later and iPhone 7 and later running iOS 11 or later.

Setting Alarms on the FreeStyle Libre 2 Reader

It's easy to set alarms on your FreeStyle Libre 2 reader.

Step 1: Touch the 'Settings' symbol

Access the main menu and tap the 'Settings' icon (often represented by a gear symbol ⚙️).

Step 2: Touch 'Alarms' then 'Change Alarm Settings'

Navigate to 'Alarms' from the settings menu, then select 'Change Alarm Settings'.

Step 3: Turn on Alarm (alarms are off by default)

Toggle the 'Low Glucose Alarm' and 'High Glucose Alarm' to the 'On' position. The 'Signal Loss Alarm' is automatically turned on the first time a glucose alarm is set.

Step 4: Use arrows to set Low and High Glucose Alarms

Adjust the 'Low Glucose Alarm' value using the provided controls (e.g., up/down arrows). The default is 70 mg/dL, adjustable between 60-100 mg/dL. Similarly, adjust the 'High Glucose Alarm'. The default is 240 mg/dL, adjustable between 120-400 mg/dL. Confirm your selections by tapping 'done'.

Step 5: See your current Alarm Settings

Review the configured alarm settings, including 'Low Glucose Alarm', 'High Glucose Alarm', and 'Signal Loss Alarm'.

Step 6: Adjust Sound & Vibration

Customize the sound and vibration preferences for your alarms by selecting 'Sound & Vibration' from the settings menu.

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