Once you remove a drum from the drum vial,
you have 90 days to use up all the test strips.
The meter counts the number of days
remaining.
Do not open the drum compartment until all
of the strips have been used. Whenever the
drum compartment is opened and closed, or
when the batteries are replaced, the meter
thinks a new drum has been inserted, and
resets the 90-day countdown.
If an open test strip drum is removed from
the meter and reinstalled, the 90-day “use-
by” period displayed on the meter ceases to
have any significance. The message “CTRL”
flashes in the display indicating that a quality
control test should be performed. Perform a
quality control test (as described in Chapter
7.1) to ensure that the strips are still usable.
The display indicating the 90-day “use-by”
period (flashing drum symbol and date) is
still invalid, however.
If you use expired test strips, you may obtain
incorrect blood glucose test results.
Warning!
25
24
Handle the test
strip drums with
extreme care!
If the aluminium
foil (the silver
ends) on a
new test strip
drum has been
damaged, do not
use it. If you do,
your blood glucose
test results may be
incorrect.
3 Inserting or replacing the test strip drum
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