SD CofeFree User Instruction Manual page 14

SD CodeFree™ BLOOD GLUCOSE MONITORING SYSTEM
If you press the right arrow once when the Add
Blood icon is flashing the Pre-meal icon will be
displayed. This will indicate the glucose level
being measured will be a Pre-meal reading.
Pressing the right arrow a second time will
show the Post-meal icon. Pressing the right
arrow a third time will revert the display to
just the flashing blood drop icon. At any time
removing the test strip will return the display to
the flashing test strip icon.
[Pre-meal]
If you perform the pre-meal test while
the post-meal alarm setting is on,
then the Post-meal mark will appear
automatically on your display when
NOTE
you test within the following time
period:- from 30 to 130 minutes after
your Pre-meal test.
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[Post-meal]