Medicus Gluco Dr. Plus User Manual page 12

Checking the Code Number
Code numbers are used to calibrate your meter with the test strips for accurate test results.
Whenever you test, you must check if the code number displayed on the meter matches
the one on the test strip vial.
Turn on the Meter
1
Press the power button to turn on the meter.
Then the code number, STRIP ICON and BLOOD DROP ICON will appear.
Check the Code Number
Make sure that the code number displayed on the meter matches the one on
the test strip vial. If the code numbers match, you can begin the test.
If they do not match, follow the next step.