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Chapter 2: Control Testing
Why Perform Control Tests
Performing a control test lets you know that the meter and test strips are working properly. You should
perform a control test when:
• You open a new box of test drums
• You left the test drum container open or you think your test strips have been damaged
• You want to check the meter and test strips
• Your test strips were stored in extreme temperatures and/or humidity
• You dropped the meter
• Your test result does not agree with how you feel
• You want to check if you are testing correctly
• The bottle symbol ashes on the meter display
Note: After performing a control test the bottle symbol keeps ashing on the meter display every time you
turn on the meter to perform a test. However, performing another control test is not necessary. The bottle
symbol disappears after you insert a new test drum.
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