Accu-Chek Performa Owner's Booklet page 40

When you are setting the time for the test reminders, the bell symbol remains on the display and "set-up"
flashes continuously.
38
1. Press and release to turn
on the meter. The flashing test
strip symbol appears.
2. Enter the set-up mode (press
and hold for about
4 seconds). "Set-up" flashes
on the display.
3. Press and release
repeatedly until you reach the
display with the bell sym bol,
"OFF," and the flashing
"set-up" and "A-1."