(1) and (2) are mainly used to scroll and
select items in the selected menu. (3) is used
to activate and interact with the selected menu item.
The of the menus shows the following
symbols indicating the possible interaction of
(1), (2) and (3):
●
press of (1);
●
press of (2);
●
press of (3);
●
long press of (1);
●
long press of (2);
●
long press of (3).
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