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Libre FGM sensors require manually scanning the sensor with your phone. Because readings are not automatic, SugarPixel Mini/Classic has limited functionality with FGM sensors. A Libre CGM with real-time readings is recommended for full functionality. Follow the main Libre (LibreLinkUp) setup steps above and select FGM when prompted. Firmware version 1.72 or newer is required.

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Display Behavior

  • When no scanned reading is available, SugarPixel Mini/Classic shows the current time with a minute ticker
  • After a manual scan, SugarPixel Mini/Classic displays the glucose value and time using standard color coding
  • The value turns blue after your configured No Data time
  • Display returns to clock-only mode after 30 minutes
  • Some display options are unavailable with FGM

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Alerts

  • SugarPixel Mini/Classic can alert from a manually scanned value that crosses your thresholds, or from LibreLinkUp alerts
  • Alert thresholds are set in the Libre app — SugarPixel Mini/Classic mirrors those and allows enabling/disabling and snooze timing
  • No Data alerts are not available with Libre FGM
  • FGM can only be used in single-user mode