User guide

Table Of Contents
Time since last calibration What happens
The system will not take glucose measurements again until you enter a
new Meter BG measurement.
To calibrate your system:
1 Check the sensor icon on the screen to make sure monitor and transmitter are communicating.
Not communicating. Do not enter your meter BG measurement for calibration. Check the
following:
The sensor and transmitter are correctly connected.
The sensor has been started.
The monitor is not too far from the transmitter.
The transmitter is charged.
The correct transmitter ID has been entered.
Communicating. Go to the next step to calibrate your system.
If there is still no communication, see the Troubleshooting and alarms/alerts chapter for information
on how to restore communication between the monitor and the transmitter.
2 Take a meter BG measurement. Immediately enter the meter BG measurement into your monitor
by following the rest of the steps in this procedure.
3 Open the ENTER BG screen.
Main > Sensor > Enter Meter BG
The ENTER BG screen shows three dashes.
4 Enter the number from your meter. The number on the screen must match the measurement from
your meter, and values below 40 mg/dL (2.2 mmol/L) or above 400 mg/dL (22.2 mmol/L) cannot be
used for calibration.
5 Press ACT. The calibration has been successfully entered. It takes 10-15 minutes after entering your
meter blood glucose value for the measurement to be accepted, and for the system to show those
values.
If you enter an incorrect calibration value:
1 If you enter an incorrect calibration value, immediately re-enter the correct value (if two values are
entered within 15 minutes of one another, the system uses the most recently entered value).
Using your system 49
Chapter 6