Accu-Chek Performa 47949 Instrucciones De Uso página 44

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2. Enter the set-up mode (press
and hold for about
4 seconds). "Set-up" flashes
on the display.
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3. Press and release
repeatedly until you reach the
display with "OFF" and the
flashing "set-up" and .
4. Press and release or to
switch between "On" and
"OFF." Press and release to
set your choice.