What do the question marks (???) on my Dexcom G5 app or receiver mean?

If you need assistance with starting your Dexcom CGM system, the Dexcom CARE team of diabetes coaches can be contacted at 1-877-339-2664. They are available Monday-Friday between 6am and 6pm PST and on Saturday between 7am and 1:30pm PST (subject to change). For 24/7 support, you can also contact Dexcom Global Technical Support at 1-844-607-8398.
Getting Started and Setting Up the App
Getting Started and Setting Up the Receiver

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