Using Openchoice For Calibration - Dexcom SEVEN PLUS User Manual

4
HELPFUL HINTS:
• If you use Auto Upload, all fingerstick readings taken with your OneTouch Ultra meter can affect
calibration. Do not share your blood glucose meter with other people.
• Do not use alternative BG site testing (blood from your palm or forearm, etc.) for calibration. You
must take your blood glucose from your fingertips only for calibration.
4.1.1

USING OPENCHOICE FOR CALIBRATION

For OpenChoice Calibration you must enter the exact fingerstick reading that your
blood glucose meter displays. Enter all fingerstick readings for calibration within
5 minutes. Entering incorrect fingerstick readings or fingerstick readings that oc-
curred more than 5 minutes ago will affect device performance.
The steps below show you how to hand-enter your fingerstick readings for calibration:
1. Take a fingerstick reading using your meter.
2. From any Trend Graph, press the
3. Use the Up p and Down q Arrows to scroll until you highlight
"Enter BG."
Note: "Enter BG" is not the first menu option at the top of
the screen.
4. Press the button to select this option. You will see a screen
OK
with a blood drop and a number in mg/dL units.
a. During initial calibration the SEVEN PLUS will default to the
reading of 120mg/dL.
b. If there has been a reading in the past 15 minutes, the Enter
BG Screen will display your current continuous glucose reading as your starting point. Do not
use the glucose reading for calibration. Use only your BG meter reading.
58 | SEVEN PLUS Continuous Glucose Monitoring System
button to reach the Menus.
OK