OneTouch ULTRASMART Manual page 24

STEP 2
See the Code Number.
The code number will appear on the
display. (After every 25 tests the meter
will display the code number and will
prompt "Check Code Press OK". Press the
OK button
OK
correct.)
STEP 3
Match the Code Numbers.
Compare the code number on the meter
display with the code number on the test
strip vial. If the two code numbers match,
you may begin testing. If they do not
match, follow Step 4.
Note: The code number appears on the display
briefly. If you were unable to change the code in
time or entered a code number in error, press
the Back button
if the code number is still
to return to Step 3.
11
(Example)
(Example)