User`s guide
168 | Dexcom G4 PLATINUM Professional Continuous Glucose Monitoring System
13
13.2.2 WHAT TO DO FOR CALIBRATION
PROMPTS
1. When you see a calibration prompt, press the SELECT button to clear
the prompt.
2. Check the status area at the top of the
screen.
a. If the startup calibration symbol
shows, take 2 more blood glucose values
and enter them into the receiver.
b. If the additional startup calibration symbol
shows, take 1 more blood glucose
value and enter it into the receiver.
c. If the calibration needed symbol shows, take 1 more blood
glucose value and enter it into the receiver.
13.3 CALIBRATION ERROR
TROUBLESHOOTING
This screen means you recently entered
a calibration blood glucose value, and the
sensor is having trouble calibrating. If you
press the SELECT button to clear this screen,
this symbol shows in the status area.
If you see this screen, wait 15 minutes and
then enter 1 more calibration blood glucose
value. Wait 15 more minutes. If this error
screen still shows, enter 1 more blood glucose
value. Wait another 15 minutes. If this error screen still shows, the
sensor needs to be replaced.
This screen also means you recently entered a calibration blood glucose
value and the sensor is having trouble calibrating. If you press the
Prompt in status area
Wait 15 minutes
calibration error screen