Abbott FreeStyle Precision H User Manual page 35

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This display always appears when the meter is turned on.
Do not use the meter if the display check screen does not exactly match the
example. Contact Customer Service.
See "Preparing the Meter for Glucose Testing" section for more information.
The most recent result, with time and date (if set) it was obtained, appears next.
The following symbols indicate the type of result:
= Blood glucose result
= Blood ketone result
= Glucose control solution result
= Ketone control solution result