OneTouch Ultra Owner's Booklet page 24

Step 2
Mark this test as a control solution test.
Press and release the
Ë
so appears on the display.
NOTE: Mark all control solution tests with Ë to distinguish them
from blood glucose tests in the meter memory. Marked control solution
tests will not be included in your averages.
16
➧
button
This marks the test as
a control solution test.