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Keys
The following keys are required for Series 60 UI:
navigation keys
Scroll up
Scroll down
Scroll left
Scroll right
Select key
softkeys
Left softkey
Right softkey
call handling
Send key
End key
other
Applications key
ITU-
T
numeric keypad (0-9, *, #)
Clear key
Edit key
Power key
The navigation keys can be ordinary buttons, or they can be implemented using
different control devices, for example a roller which can be rotated and pressed
so that up, down and select functions would be mapped to it.
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Hardware solution may have some effect on the navigation functionality: for
example a long key press event can't be accomplished with a rotating device.
Each softkey has a corresponding textual label on the bottom of the screen.
The Edit key is the only key that can be used simultaneously with another key
press, for example, the combinations where any of the navigation keys are
pressed while the Edit key is held down.
See section Keypad functions in chapter Interaction style for more information
about the usage of keys.
Extra keys
Other specific keys can be added to a product to emphasize or facilitate some
functions. These extra keys could be used to control applications or hardware such as
spoken commands, sound recording, and audio volume control.
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