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the piece down on its original square, pick it up, and then
press it down on the new square. As you do this, the
display will show a minus sign (–) for the first square, and
a plus sign (+) for the second square.
• To add a piece to the board, first press the PIECE
SYMBOL KEY for that piece (&, %, $, #, @, or !). Make
sure the display shows the correct color symbol for the
piece you want to add. If it does not, press BLACK/> or
</WHITE to change the color. When the display shows
the correct piece type and color, place that piece on the
desired square and press down gently. The display
shows a plus sign (+), along with the location for that
square. To add another piece of the same type, simply
press down on another square. To add a different piece,
press a different PIECE SYMBOL KEY and follow the
same steps outlined above.
• To clear the board, press ENTER while you are in
Position Mode. The display will show _ to symbolize
an empty chessboard. Press ENTER once more to
confirm that you do want to clear the board. Then add
pieces as described previously. If you decide not to clear
the board, press CLEAR to cancel. This feature can be
handy when you want to set up a position with only a few
pieces, where it would be much easier to start out with an
empty board!
• Once you have changed the board position as de-
scribed above, make sure the color indicator in the
display is showing the correct color of the side to move.
Change the color, if necessary, by pressing BLACK/>
or </WHITE.
• To exit Position Mode, press CLEAR. You will return to
normal game play, with your new board position!
Note that any legal position can be set up using the above
procedures. The computer will not permit you to set up an
illegal position, such as one where there are more than the
prescribed number of pieces for a normal game, or one
where a King is in check and is not to move. In such cases,
the computer will simply beep when you press CLEAR, and
you will not be allowed to exit Position Mode. Check the
position using the PIECE SYMBOL KEYS, if necessary, and
correct the position (by adding a piece, removing a piece, or
moving an incorrectly placed piece). Then press CLEAR to
exit Position Mode.
7. TECHNICAL DETAILS
7.1 The ACL Function
Computers sometimes "lock up" due to static discharge or
other electrical disturbances. If this should happen, take out
the batteries and use a pin or another sharp object to press
into the hole marked ACL in the base of the unit for at least
one second. This resets the computer.
7.2 Care and Maintenance
Your chess computer is a precision electronic device, and
should not be subjected to rough handling or exposed to
extreme temperatures or moisture. Be sure to disconnect the
adapter (if applicable) and remove the batteries before clean-
ing the unit. Do not use chemical agents or liquids to clean
the unit, as they may damage the plastic.
Weak batteries should be replaced promptly, since they
can leak and damage the computer. Please also note the
following regarding the use of batteries. Warning: Use only
alkaline or zinc carbon batteries. Do not mix different
types of batteries or new and used batteries. Do not
recharge non-rechargeable batteries. Use only the rec-
ommended batteries or equivalent. Be sure to observe
the correct polarity when inserting batteries. Worn out
batteries should be removed from the unit promptly. Do
not short circuit the supply terminals.
If an AC-DC adapter is used with this unit, it must be as
specified in Section 7.3. An adapter is not a toy and should
be handled with care. Please also note the following regard-
ing the use of an AC-DC adapter. Warning: Use a center
positive adapter with safety isolating transformer. The
polarity symbols confirming its center positivity should
be clearly marked on the adapter. The adapter should be
regularly examined for potential hazards such as damage
to the plug, cable or cord, casing or other parts. In the
event of damage, the adapter should not be used.
7.3 Technical Specifications
Clock Frequency:
16 MHz
Keys:
17
LCD Display:
48-segment, 5-digit
Batteries:
6 x C/AM2/R14 (1.5V) cells
Power Consumption: 720 mW maximum
Dimensions:
418 x 283 x 41 mm
Weight:
1.3 kg (without batteries)
AC-DC Adapter:
9V/300mA center-positive
(optional)
Please retain this information for future reference.
The manufacturer reserves the right to make technical changes without
notice in the interest of progress.
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