Accu-Chek Performa Nano Owner's Booklet page 40

38
1. Press and release
turn the meter on. The
flashing test strip symbol
appears.
to 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 the
flashing "1Hr" or "2Hr."