Accu-Chek Aviva Owner's Booklet page 41

8. Make sure the code number on the display
matches the code number on the test strip
container. If you miss seeing the code number,
remove the test strip and reinsert it into the
meter.
Chapter 3: Testing Your Blood Sugar
9. When the blood drop symbol flashes, obtain a
blood drop from the site. Make sure that each
lancet is fully retracted after use.
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