Samsung SWC-R640LBAXAR - Manual (Page 30)

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3. Fn Key: Text Function Key — Toggles text entry mode between
Fn, Fn (locked) and abc modes.
4. Shift Key: Toggles ABC mode capitalization between ABC, Abc,
and abc.
5. Space Key: Inserts a space character in a text entry.
6. OK Key: When navigating through a menu accepts the
highlighted choice in a menu.
7. Arrow (Navigation) Keys: In Menu mode, Left and Right arrow
keys page from Main menu to Main menu; while Up and Down
arrow keys scroll through the menu options.
8. Return Key: In text entry mode, creates a new paragraph
(inserts a line return).
9. Back / Clear Key: Deletes characters from the display when
you are in text entry mode. Press this key to return to the
previous menu or screen when navigating features on your
phone.
10. Send Key: Allows you to place or receive a call. In Standby
mode, press the key once to access the recent call log.
11. Back / Clear Key: Deletes characters from the display when
you are in text entry mode. Press this key to return to the
previous menu or screen when navigating features on your
phone.