Accu-Chek Performa Instrucciones De Uso página 45

2. Enter the set-up mode
(press and hold for
about four 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.
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