RoverComputers RoverPC P7 PDA - Manual (Page 25)

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2.2 Using the Navigation Button
With the navigation button, you can move up, down,
left and right within a menu. This is particularly useful
for one-hand operation.
To move in a direction, simply push the button toward
the corresponding direction.
To activate the selected item, press the button.
2.3 Using the Scroll Dial
With the scroll dial, you can scroll within a menu and activate the selected item.
This is particularly useful for one-hand operation.
To scroll up or backward within a menu,
rotate the scroll dial upward and then release
it.
To scroll down or forward within a menu,
rotate the scroll dial downward and then
release it.
To activate the selected item, press the center
of the dial.
Up
Left Right
Down
Up
Down