2Match the code numbers.
The code number on the test strip bottle will range from 1 to 21. If the number on the display matches the code number on the test strip bottle, begin testing. If the two code numbers do not match, follow step 3 to code the meter.
Code numbers do not match.
3If the code numbers do not match, code the meter.
After the code symbol appears, press and release the green C button. The code symbol will flash. Press and hold the C button until
O p e r a t i o n 19
