User`s guide
Dexcom G4 PLATINUM User’s Guide | 89
top of the trend graph, the trend arrows will not show.
If the trend arrow is missing, but you are concerned that your
blood glucose level may be rising or falling, take a blood glucose
measurement test on your blood glucose meter.
8.3 GLUCOSE STATUS AREA SYMBOLS
The “status area” at the top of the trend graph may show any of the
following status symbols during your sensor session. You will not get
sensor glucose readings during the time a status symbol shows except
during the regular 12-hour calibration prompt.
Status Symbols
Calibration
Needed
This symbol means you need to enter a calibration. This prompt
will show when it is time for your 12-hour calibration update or
any other time an additional calibration is needed (see Chapter
7, Section 7.2, How to Calibrate).
Additional Startup
Calibration
Needed
This symbol means you need to enter one more blood glucose
value in order to calibrate the system and start getting sensor
glucose readings.
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WARNING
Do not ignore symptoms of high and low glucose. If your
sensor glucose readings do not match your symptoms,
measure your blood glucose with a blood glucose
meter even if your sensor is not reading in the high
or low range, so you do not miss a low or high blood
glucose value.