One Drop Owner's Manual page 22

Example of 12 hour time:
Example of 24 hour time:
For example: a date of "10/12" will mean Oct 12 if your
supported device set to MM/DD, and it will mean Dec 10 if
your supported device is set to DD/MM.
Note: Test results taken prior to the time and date being set will
not have a time and date associated with them on the One Drop
Meter, and will not sync to the One Drop App. You can manually
add these readings to the One Drop App to include them in
your statistics. Test results without a set time and date will be
displayed on your One Drop Meter with "--:--" and "--/--" in place
of the time and date.
Airplane Mode
You can keep your One Drop Meter paired with your
supported device while flying — just turn Bluetooth on
while the device is in Airplane mode.
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