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briefly. Here, you are choosing to play a normal game of
chess, with all voice output—but with the Coach functions
turned off.
• Voice/Coach Level G: Beeps Only
Board light G indicates a level where the computer
uses beeps to signify moves, keypresses, and other
game activity. The voice will not speak at all when you
select this level, and there are no coaching functions.
Note that there is no beep sound on verifying the piece.
• Voice/Coach Level H: Silent Mode
Choosing Level H gives you completely silent game
operation—no voice, and no beeps. Coaching features
are also turned off. When playing without sound, be sure
to watch the board lights carefully during the game!
5. TECHNICAL DETAILS
5.1 The ACL Function
Computers can sometimes “lock up” due to static
discharge or other electrical disturbances. If this should
happen, 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.
5.2 Care and Maintenance
Your chess computer is a precision electronic device,
and should not be subjected to rough handling or ex-
posed to extreme temperatures or moisture. Do not use
chemical agents to clean your unit, as they may damage
the plastic.
Weak batteries should be replaced promptly, since
they can leak and damage the computer.
Use only alkaline or zinc carbon batteries.
Non-rechargeable batteries are not to be re-
charged.
Different types of batteries or new and used batter-
ies are not to be mixed.
Only batteries of the same or equivalent type as
recommended are to be used.
Batteries are to be inserted with the correct polar-
ity.
Exhausted batteries are to be removed from the
unit.
The supply terminals are not to be short-circuited.
This unit is not intended for children under three years
old. To ensure the safe operation of the unit, the trans-
former should be regularly examined for damage to the
cord, plug, enclosure or other parts. In the event of any
damage, the transformer must not be used with the unit
until the fault has been repaired by qualified service
personnel. When cleaning the unit with a soft cloth, the
unit must be disconnected from the transformer first.
Please note that only the recommended transformer
should be used with the unit, and the transformer is not a
toy.
5.3 Technical Specifications
Clock Frequency:
4 MHz
Keys:
15
LED lamps:
2 x 8 LEDs
Batteries:
4 “AA” (AM3/R6) cells
Dimensions:
31.5 x 23.9 x 29 cm
AC adapter (optional): 9V/300mA center-positive
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+
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The manufacturer reserves the right to make technical
changes without notice in the interest of progress.
Warning: Use a center-positive adapter with safety
islolating transformer only. The polarity symbols confirm-
ing its center positivity should be clearly marked on the
adapter and the adapter must comply with CEE publica-
tion 15. The adapter should be regularly examined for
potential hazards such as damage to the plug, cable or
cord, enclosure or other parts. In the event of damage,
the adapter should not be used.