Accu-Chek Performa Nano Owner's Booklet page 48

46
2. Press and hold
"set-up" appears on the
display.
until 3. Press and release
repeatedly until you
reach the display with
"set-up" and "OFF," and
the flashing
4. Press and release
or
between "On" and
"OFF." Press and
. release
your choice.
to switch
to confirm