Accu-Chek Performa Nano Owner's Booklet page 18

16
9. The result appears on the display. If you
want to mark the test result as a
pre-meal or post-meal test, or with a
general marker, leave the test strip in
Note:
After a successful test, the meter turns off five seconds after the test strip is
removed.
OR
the meter (see the next section).
Otherwise, remove and discard the used
test strip.