Sharp STX-2 User Manual page 23

USING THE QWERTY kEYBOARD
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Fn key
To type the special characters or numbers that appear in Skyblue on
the keys, press the applicable key while holding down the Fn key.
To type special characters or numbers consecutively, use the FN-LOCK
mode. To change to the FN-LOCK mode, double-tap the Fn key. You can
type special characters or numbers only in this mode. To deactivate,
double-tap the Fn key again. To access other special characters that do
not appear on the keyboard, press Fn Key + SYM/SPACE Key.
Delete key
Press the Delete Key to delete a character to the left of the text
cursor. Press and hold to delete the entire entry.
Tab key
Press the Tab Key to easily navigate between multiple windows.
SYM/SPACE key
Press the SYM/SPACE Key to type a blank space.
Press the Fn Key + SYM/SPACE Key, to open the Symbol Pad.
Arrow key
Press the arrow keys for directional movement.
Numeric key
Press the Fn Key + Corresponding Key to enter the number.