EXCALIBUR ET450 Einstein Eye Trainer User Manual
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the hint button for an answer.
If you believe you have incorrectly
input a number, you can delete it by
pressing the undo/new game button.
Sometimes when you get stuck, itʼs
best to take a break and return to the
puzzle later with a clearer mind. Press
the load/save button to save your
puzzle. When you are ready to give
it another shot, press the load/save
button to return to your saved puzzle.
C
ARE
& H
ANDLING
• Avoid rough handling such as
bumping or dropping.
• Avoid moisture and extreme
temperatures. For best results, use
between the temperatures of 39°F
and 100°F (4°C and 38°C).
• Clean using only a slightly damp
cloth. Do not use cleaners with
chemical agents.
• Do not disassemble the unit.
B
ATTERY
I
NFORMATION
• Your Touch SuDoku uses 2-AAA
batteries.
• Do not mix old and new batteries.
• Do not mix alkaline & standard or
rechargeable batteries.
• Install batteries so that the polarity
(+ and -) matches the diagrams in
the battery compartment.
• Use only batteries of the same
type.
• Remove exhausted batteries from
the unit.
• Do not short circuit battery
terminals.
Computers can sometimes “lock up” due to static discharge or other
electrical disturbances. If this should happen, use a slim, pointed object to
press the button marked “RESET.”
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