Franklin SUDOKU SDU-320 User Manual page 4

ON/OFF
1-9
LEVEL
START
Turns the unit on and off. After
the unit is turned off manually or
automatically, any previously
started game resumes the next
time the unit is turned on. Press
and hold this key for 3 seconds to
turn the sound on and off.
Enters 1-9 into a puzzle at the
cursor position.
Chooses a game level.
Starts a game.
4