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2
2.4
TRANSMITTER AND RECEIVER COMMUNICATION
The Dexcom G4 Sensor, Transmitter, and Receiver must be
removed prior to Magnetic Resonance Imaging (MRI), CT scan,
or diathermy treatment. The Dexcom G4 System has not been
tested during MRI, CT scans or with diathermy treatment, and it is
unknown if there are safety or performance issues.
The transmission range from the transmitter to the receiver is up
to 6 meters without obstruction. Wireless communication does not
work well through water so the range is much less if you are in a
pool, bathtub, water bed, etc.
HELPFUL HINT:
• The transmitter and receiver may lose communication at the following
times:
- When they are near metallic objects.
- When you are using an electric blanket.
Once you are in a sensor session, you can check that the receiver and
transmitter are communicating. View the trend graph screen by pressing the
SELECT,
LEFT
or
RIGHT
This antenna symbol shows that the transmitter
and receiver are communicating.
This out of range symbol shows the transmitter
and receiver are not communicating.
32
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Dexcom G4 Continuous Glucose Monitoring System
button to see the trend graph.
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the g4 and is the answer not in the manual?
Questions and answers
The mom set a high ceiling of 300. How do I get to an actual number and not a "high" reading
You can adjust the high glucose alert value on the Dexcom G4 by following these steps:
1. Press the button to select “High Alert.”
2. Press the UP or DOWN button to highlight “On/Off” and press the SELECT button to set this option.
3. Press the LEFT button to return to the previous screen.
4. Press the DOWN button to highlight “Level.”
5. Press the SELECT button and then use the UP or DOWN button to adjust the high glucose alert value.
6. The high glucose alert value can be set between 6.7 and 22.2 mmol/L in 0.1 mmol/L increments.
7. Press the SELECT button to confirm the new setting.
This adjustment allows you to set a specific threshold instead of receiving a general "high" reading.
This answer is automatically generated