Performing a measurement
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Code strips
The code strip provides the instrument with important information on the specific properties of the respective test
strip. The code strip is required at least when a new test strip container is opened and before the strips are used.
The properties of these test strips are then stored in the instrument. The instrument stores the data of only one
code strip per test parameter (i.e., a total of two codes at a time).
• Do not forget to have the code strip, which is supplied with each new test strip container, at hand before
performing the first measurement. Once the code strip data is stored in the instrument (before a new test strip
is used), you normally do not need it any more, but we recommend that you keep it until the container of strips
has been used completely.
Store the code strip in the external packaging and not in the test strip container. The imprint on the
code strip may impair the test strip quality, leading to incorrect measurement results.
• Each code strip belongs to one particular test strip container or lot. If possible, store the test strip container
together with the code strip in the external packaging in order to have the latter at hand for recoding the
instrument if needed (e.g., after battery replacement due to completely dead batteries).