Abbott FreeStyle Flash Blood Glucose Monitor Owner's Booklet page 42

Setting the Sound
Off
Low
High
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There are three sound volume options to let you
know when the test strip is full, when the reading
is done, and when an error occurs: Off, Low, and
High (default setting).
1. Press the "c" button until the desired sound
level appears.
2. Press the "m" button to move to "Setting
the Time."
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