Accu-Chek Aviva Combo Owner's Booklet page 195

Main Menu > Settings > Time/Date
1.
From the Main Menu, select
j
Settings and press =.
2.
Select Time/Date and press
j
=.
3.
To Change the Time Format:
Select the Time Format entry
j
field and press =.
j Select 12 hr or 24 hr Time
Format and press =.
5
189