Lifescan ONETOUCH II Owner's Booklet page 15

CAUTION: If your control
solution result falls outside
the acceptable range, the
system is not working prop-
erly. Do not use the system
to test your blood until
you get a reading that falls
within the acceptable range.
For assistance, call LifeScan
Customer Services.
You must use the
control solution:
At least once a week.
When you begin using a
new package of test strips.
Whenever you suspect
the meter or test strips are
not working properly (for
example — when your
results are not consistent
with how you feel).
2. Checking the Meter with
the Check Strip
A purple and white check
strip is included with your
ONE TOUCH II Meter. The
®
check strip is used to make
sure your meter is work-
ing properly.
10
Check Strip
1 2
Front Back
Before doing a check strip
test, make sure the test strip
holder and the test area are
clean, dry, and lint-free. For
information, see page 42.
Make sure both sides of the
check strip are clean and dry.