Accu-Chek Aviva Combo Owner's Booklet page 198

Change End Time, Target Range Lower Value, and/or Target Range Upper Value
Main Menu > Settings > Time Blocks
1.
From the Main Menu, select
j
Settings and press =.
192
2.
Time Blocks does not appear if
bolus advice has been set up.
j Select Time Blocks and press
=.
3.
Select the time block to edit
j
and press =.