12.1.2 Combinations of symbols
The following combinations of symbols have meanings of their own.
Symbols
4 + 6 + 7
4 + 6
176
Meaning
The 90-day use-by period for the test strip
drum has expired (see Chapter 2.3.1). The
test strips cannot be used.
Insert a new test strip drum.
You must not use these test strips,
as they may produce incorrect
results. Incorrect results can cause
the wrong therapeutic decision to
be taken and so produce serious
adverse health effects.
In memory: The test strip you used for this
test was unusable (the 90-day use-by
period had expired, see Chapter 2.3.1).
The result in memory may be
incorrect. Incorrect results can
cause the wrong therapeutic
decision to be taken and so
produce serious adverse health
effects.
Symbols, error messages and troubleshooting