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Dexcom one - User Manual

Dexcom one
92 pages
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Welcome
Home screen overview
Alerts
Treatment decisions
Starting a new sensor
Appendices
Instructions For Use
USER GUIDE

Table of Contents

Other manuals for Dexcom one

Questions and Answers

  • K
    Kristie JohnsonAug 17, 2025
    Why does my Dexcom one Blood Glucose Meter app keep shutting off?
    • K
      Kelsey AllenAug 17, 2025
      If the Dexcom Blood Glucose Meter app shuts off, it may be due to the smart device’s memory or storage being full. To resolve this, close any unused apps and delete unnecessary files.
  • J
    Jackie SandersAug 20, 2025
    What to do if my Dexcom one has signal loss?
    • E
      evasquezAug 20, 2025
      If you are experiencing signal loss with your Dexcom Blood Glucose Meter, ensure that your transmitter and display device are within 6 meters of each other. If you are in water, keep the device even closer. Try turning Bluetooth off and on, or restart your display device. If using your smartphone, reopen the Dexcom ONE app.
  • J
    jaime90Aug 22, 2025
    What causes brief sensor issue on Dexcom one?
    • K
      Kelsey GreenAug 22, 2025
      If you experience a brief sensor issue with your Dexcom ONE Blood Glucose Meter, check that the transmitter is snapped into the transmitter holder. Then wait up to 3 hours for the system to self-correct.
  • J
    jennifer26Aug 25, 2025
    Why Dexcom one Blood Glucose Meter readings do not match blood glucose meter value?
    • D
      David ParkAug 26, 2025
      Different body fluids give different numbers. A BG meter measures glucose from blood. A Dexcom ONE sensor measures glucose from interstitial fluid.
  • T
    tcolemanAug 28, 2025
    How to charge Dexcom one Blood Glucose Meter receiver?
    • V
      Vincent HarrisonAug 28, 2025
      If your Dexcom Blood Glucose Meter receiver needs to be charged, use the Dexcom-supplied charger. A full charge may take up to 3 hours.
  • J
    John BlackAug 31, 2025
    Why I cannot hear alerts on my Dexcom one Blood Glucose Meter?
    • J
      Jessica EricksonAug 31, 2025
      If you cannot hear alerts from your Dexcom Blood Glucose Meter, first ensure that alerts are turned on in the app settings (Settings > Alerts) or receiver settings (Menu > Settings > Alerts). Remember that Dexcom ONE alerts will not override your smart device's settings. On your smartphone, verify that the app, Bluetooth, volume, and notifications are enabled. If using a receiver, ensure that the sound is turned on (Menu > Settings > Alert Sounds).
  • S
    Samuel HarrisSep 2, 2025
    What to do if Dexcom one Blood Glucose Meter pairing is unsuccessful?
    • B
      belinda88Sep 2, 2025
      If your Dexcom ONE Blood Glucose Meter is not pairing, ensure the transmitter is snapped into the transmitter holder. Check the transmitter serial number and try again. When pairing, accept the Bluetooth Pairing Request and stay within 6 meters of the display device. Do not use an expired transmitter. If problems persist, replace your sensor and attach the transmitter again.
  • J
    John WilliamsSep 5, 2025
    What to do if Dexcom one readings do not match symptoms?
    • D
      Danielle BennettSep 5, 2025
      If sensor readings from your Dexcom ONE Blood Glucose Meter do not match your symptoms, wash and dry your hands, then perform a fingerstick test with your BG meter. If the BG meter value matches your symptoms, use that value to make treatment decisions.
  • R
    Ricardo WestSep 8, 2025
    How to fix adhesive patch peeling off Dexcom one?
    • S
      shermankaitlynSep 8, 2025
      After inserting your Dexcom Blood Glucose Meter sensor, you can reduce peeling by putting an Overpatch or medical tape (such as Blenderm) over the adhesive patch, avoiding the transmitter and any open wounds. For your next sensor session, ensure your skin is clean and dry before inserting the sensor. You can also use adhesive products (such as Mastisol[®], SkinTac™) under the patch, avoiding the needle insertion spot, and thoroughly rub the patch onto the skin.
  • T
    timothy43Sep 12, 2025
    What to do if Dexcom one applicator will not come off?
    • B
      Brandon HallSep 12, 2025
      If the Dexcom Blood Glucose Meter applicator will not come off, gently peel off the adhesive patch with the applicator attached. Check the insertion site to ensure the sensor is not left in the skin. Do not reuse the applicator.

Summary

Dexcom ONE Safety Statements

Indications, Contraindications, and Warnings

Specifies intended use, contraindications, and critical safety warnings.

Precautions and Safety Statements

Outlines precautions for handling, environment, and system use.

Transmitter and Display Device Safety

Safety guidelines for transmitter operation and display device interaction.

Display Device Screens

Home Screen and Sensor Readings

Overview of the home screen, displaying current glucose values.

Trend Arrows, Graphs, and Navigation

Explains trend indicators, graphs, and how to navigate the system interface.

Reports and Screen Issue Resolution

Accessing glucose reports and troubleshooting common screen problems.

Alerts

Critical Alert Safety Notices

Essential warnings about alert functionality and device settings.

Low;High Glucose Alerts and Customization

Details on low/high alerts and how to set them up.

Achieving Goals with Alerts

How alerts can be used as a tool for diabetes management and goal achievement.

Treatment Decisions

When to Use BG Meter vs. Dexcom ONE

Guidance on when to rely on a blood glucose meter for treatment decisions.

Interpreting Trends for Decisions

Using trend arrows and practice scenarios for making treatment choices.

Additional Treatment Guidance

Resources and advice for further support in managing diabetes treatment.

Starting a New Sensor Session

Sensor Removal and Replacement

Step-by-step instructions for removing and starting a new sensor session.

Transmitter Reuse and Lifespan

Information on transmitter longevity and how to reuse it for multiple sessions.

Troubleshooting

Accuracy and Symptom Mismatches

Resolving discrepancies between sensor readings, symptoms, and BG meter values.

Adhesive Patch and Skin Issues

Solutions for adhesive patch problems and sensor site skin irritation.

Common Alerts and Connectivity Problems

Addressing brief sensor issues, pairing failures, signal loss, and transmitter errors.

Technical Support and System Errors

Guidance for contacting technical support and resolving receiver or system errors.

Taking Care of Your Dexcom ONE

Storage and Maintenance

Guidelines for proper storage and maintenance of sensors, transmitters, and receivers.

System Disposal Procedures

Information on environmentally responsible disposal of system components.

Risks and Benefits

Potential Risks and Safety Concerns

Information on potential risks including missed alerts, insertion issues, and substance interactions.

Benefits of Using Dexcom ONE

Advantages of the system for diabetes management, trend analysis, and lifestyle feedback.

Dexcom ONE Warranty

Receiver and Sensor Warranty

Details of warranty coverage, limitations, and obligations for receivers and sensors.

Transmitter Warranty and Liability

Terms of the transmitter warranty and limitations on Dexcom's liability.

Technical Information

Device Performance Specifications

Summary of device accuracy metrics and performance characteristics under various conditions.

Product Specs, Compliance, and EMC

Technical specifications for components, compliance, and electromagnetic compatibility.

Dexcom one Specifications

General IconGeneral
AlertsCustomizable high and low glucose alerts
TypeContinuous Glucose Monitoring (CGM)
Sensor Life10 days
CalibrationNo fingerstick calibrations required
Data SharingYes, via Dexcom Follow app
Measurement Range40-400 mg/dL
Wireless RangeUp to 6 meters (20 feet)
Water ResistanceWater-resistant up to 8 feet (2.4 meters) for 24 hours
Transmitter Battery Life3 months (automatic)

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