![background image](http://html1.mh-extra.com/html/accu-chek/aviva/aviva_standard-owners-booklet_3761192195.webp)
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5
4.
Press to display the Key
Lock pop-up menu.
Select On or Off.
To save the change and
return to the Meter Menu
screen, press .
If the buttons are locked when
you turn on the meter, the Key
Lock screen is displayed.
To unlock the buttons, press
and hold and at the
same time until the Main
Menu is displayed.
The buttons remain unlocked
for the current session. When
the meter is turned on again,
the buttons are locked.
Key Lock: Important
Information
When the buttons are locked,
you can still turn the meter on
and off. You can also adjust
the backlight.
The buttons are unlocked
when:
• A test strip is inserted
into the meter
• The meter is turned on
and a pump error or a
pump warning occurs
For these occurrences, the
buttons remain unlocked for
the current session. When the
meter is turned on again, the
buttons are locked.
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