Franklin SDU-320 User Manual
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User’s Guide
SDU-320
Introduction
SUDOKU is a fun game of numbers and logic
that anyone can play. The object of the game is
to place a number in every square of the 9 x 9
game board. But you can’t just fill in any
number anywhere. Each number from 1 to 9
can only occur once in every horizontal row,
vertical column, and 3 x 3 square. Each “level”,
or grid, begins with a few numbers already in
place. You simply have to use a process of
elimination to fill in the rest.
The first time you turn on your device, a
demonstration of the game is displayed. Note:
The demonstration also begins if no game is in
progress and no key is pressed for 10 seconds.
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Key Guide
Your SDU-320 uses a touch-sensitive screen.
Use the stylus, located in the upper right corner
of the device, to touch the buttons on the
screen.
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ON/OFF 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.
1-9 Enters 1-9 into a puzzle at the
cursor position.
LEVEL Chooses a game level.
START Starts a game.
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PAUSE During a game, suspends the
game. When paused, continues
the game.
During a game, undoes the last
move or moves.
During a game, clears the
number at the cursor position.
CHECK Indicates if there are errors in a
completed puzzle, but does not
indicate which numbers are
incorrect. Press CHECK again to
resume the puzzle. If the puzzle
is correct, stops the timer and
ends the puzzle. Performs no
function if all squares are not
filled in.
SOLVE During a game, press and hold
this key for 3 seconds to get the
correct answer.
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Replacing the Batteries
This unit is powered by two G13 batteries.
Follow these easy instructions to install or
replace them. Please have the new batteries
and a small Phillips screwdriver at hand before
you remove the old ones.
1. Turn the unit off and turn it over.
2. Use the Phillips screwdriver to unscrew the
battery cover screw.
3. Slide the battery cover off.
4. Remove the old batteries.
Note: Use a paper clip if necessary to
remove the old batteries.
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RESET
G13-A
G13-A
CNB
CNB
5. Install 2 new G13 batteries with positive
polarity facing up.
Important: Be sure that the batteries are
installed correctly. Wrong polarity may
damage the unit.
6. Replace the battery cover and secure it with
the screw.
For better performance and longer operating
time, we recommend the use of high quality
G13 batteries.
Battery disposal: Do not dispose of batteries
with normal household waste. Please obey your
local regulations when disposing of used
batteries.
Battery Precautions
• Different types of batteries or new and used
batteries should not be mixed.
• Non-rechargeable batteries are not to be recharged. Never recharge batteries that
come with the device.
• Rechargeable batteries are to be removed
from the device before being charged.
• Rechargeable batteries are only to be
charged under adult supervision.
• Only batteries of the same or equivalent
type as recommended are to be used.
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• The supply terminals are not to be shortcircuited.
• Do not expose batteries to direct heat or try
to take batteries apart. Follow the battery
manufacturer’s instructions for battery use.
• Always remove a weak or dead battery from
the device.
• To avoid damage caused by leakage of the
battery fluid, replace the battery or batteries
once every two years regardless of how
much the device has been used during that
time.
• Should a battery leak, the device may
become damaged. Clean the battery
compartment immediately, avoiding contact
with your skin.
• Keep batteries out of reach of small
children. If swallowed, consult a physician
immediately.
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Information
✓ Adjusting the Contrast
When there is no game started, the contrast
control screen is displayed.
Press the dash to the left of the number
(indicated by “A”) to decrease the contrast.
Press the dash to the right of the number
(indicated by “B”) to increase the contrast.
The number in the center of the screen will
decrease or increase as you press the
dashes.
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