User's Manual

G4-Global System User’s Guide | 115
e. If the Out of Range Symbol
is displayed, do not take any more fi ngerstick
readings for calibration at this time. Move the Receiver and Transmitter
so that they are within 20 feet (6 meters) of each other and wait at least 5
minutes.
1. Make sure your Transmitter ID is entered into the Receiver (see Chapter 2,
Section 2.4)
2. Make sure your Transmitter is fully snapped in
If you are still having problems with communication
review Chapter 5, Section 5.4.4. When you are
prompted with any of the Blood Drop Prompt screens
again, review the steps at the beginning of this
section to calibrate.
HELPFUL HINT: If you are still having trouble with G4-Global System
calibration (e.g., receiving repeated prompts) following these steps, contact
DexCom Technical Support at 1-888-SEVENGO (738-3646) for help.
9.3 SENSOR FAILED TROUBLESHOOTING
In some cases your Sensor session may stop before the end of a full 7-day
period. Follow the guidelines below to have the best results with your System.
•
Do not use expired Sensors
•
Store Sensors at room temperature (see Chapter 10, Section 10.2)
•
Quality check your blood glucose meter
•
Make sure your Transmitter is snapped in fully
•
Make sure your Sensor Pod is not dislodged or peeling up
Out of Range Symbol