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C
ongratulations on your purchase of Excalibur
Electronics' Keychain SuDoku! You and your
friends will enjoy hours of challenging fun with
this innovative keychain game. Your Keychain SuDoku
game contains 16,000 original puzzles.
Keychain SuDoku is easy to use, but be sure to use it
safely. Before starting, please read this manual thoroughly,
especially noting safety, care and battery information.
Keep this manual for reference.
This package includes one Keychain SuDoku game and
its manual.
2
The legendar y King Ar thur
brandished a magic sword,
Excalibur, from which we
take our company name.
With this unique weapon in
his hands, he could not be
vanquished.
Although Excalibur
Electronics can't claim the
magical secrets of Merlin,
King Ar thur's cour t wizard,
sometimes our patented
technolog y may make it
seem as if we could.
We make you think.
Table of Contents
Installing Batteries . . . . . . . . . . . . . . . . . . . . . . . . .page 3
Functions of Icons. . . . . . . . . . . . . . . . . . . . . . . .page 5
How to Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6
SuDoku. . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6
How to play Keychain SuDoku. . . . . . . . . . . page 6
Preset Timing. . . . . . . . . . . . . . . . . . . . . . . . . page 6
Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 7
Customized Puzzles. . . . . . . . . . . . . . . . . . . . page 7
Special Care & Handling. . . . . . . . . . . . . . . . . . . . page 8
Installing Batteries. . . . . . . . . . . . . . . . . . . . . . . . . page 9
FCC Information. . . . . . . . . . . . . . . . . . . . . . . . . .page 10
90-Day Limited Warranty. . . . . . . . . . . . . . . . . . . page 11
Installing Batteries
Your Keychain SuDoku
game requires three LR44
batteries. To install batteries,
carefully turn it over so that
the top side is face-down on
a soft surface, such as a
towel or magazine. You'll
find the battery compart-
ment on the unit's back.
Use a small Phillips screw-
driver to remove the screw.
Lift
off
the
battery
3
compartment lid. Install
three
LR44
batteries,
making sure to match the
polarity (+ and -) with the
diagram inside the battery
compartment. Place the
tabs
of
the
battery
compartment in their slots,
and snap the compartment
door back on. Replace the
screw and tighten it carefully.
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