Master Chess Computer
(600-2217)                 Preparation                Faxback Doc. # 62196

About This Manual

This owner's manual is divided into these major sections:

  Features - (Faxback Doc. # 62195)
  Preparation - (Faxback Doc. # 62196)
  Basic Chess Instructions - (Faxback Doc. # 62197)
  Basic Operation - (Faxback Doc. # 62198)
  Play Levels - (Faxback Doc. # 62199)
  Advanced Functions - (Faxback Doc. # 62200)
  Viewing Game Information - (Faxback Doc. # 62201)
  Game Options - (Faxback Doc. # 62202)
  Troubleshooting - (Faxback Doc. # 62203)
  Care and Maintenance - (Faxback Doc. # 62204)

"Preparation" in Faxback Doc. # 62196 describes the options you have to 
power your Master Chess Computer.

"Basic Chess Instructions" in Faxback Doc. # 62197 describes how pieces 
move and the rules of chess.

"Basic Operation" in Faxback Doc. # 62198 contains general instructions 
for using your Master Chess Computer, including how to set up and play 
games.

"Play Levels" in Faxback Doc. # 62199 describes your Master Chess 
Computer's play levels and how to set a level that is right for you.

"Advanced Functions" in Faxback Doc. # 62200 describes how to verify piece 
positions, take back moves, and set up and play game scenarios.

"Viewing Game Information" in Faxback Doc. # 62201 shows how to select and 
view strategy and evaluation information.  This section also shows you how 
to set, view, and reset the computer's chess clocks.

"Game Options" in Faxback Doc. # 62202 explains how to customize your 
Master Chess Computer's play. 

"Troubleshooting" in Faxback Doc. # 62203 describes steps you can take if 
you have a problem with your Master Chess Computer.

"Care and Maintenance" in Faxback Doc. # 62204 provides important care and 
maintenance instructions.

We recommend that you read these instructions thoroughly before you use 
your RadioShack Master Chess Computer.

Preparation

Connecting Power

Installing Batteries

You can power your Master Chess Computer with four C batteries (not 
supplied).  For the best performance and longest life, we recommend 
alkaline batteries, such as RadioShack Cat. No. 23-551. They can provide 
up to 150 hours of playing time.

Note: To ensure you do not lose saved game information, batteries must be 
      installed in the computer even if you are using an AC adapter.

CAUTIONS: Use only fresh batteries of the required size and recommended 
          type. 

          Do not mix old and new batteries, different types of batteries 
          (standard, alkaline, or rechargeable) or rechargeable batteries
          of different capacities.

Follow these steps to install batteries.

1.  Press down the tab on the battery compartment cover while lifting up
    the cover to remove it.

2.  Place the batteries in the compartment as indicated by the polarity 
    symbols (+ and -) marked inside.

3.  Replace the cover.

When the Master Chess Computer stops operating properly, replace the 
batteries.  If it still does not operate properly, you might need to reset 
the computer.  See "Resetting the Master Chess Computer" below.

CAUTIONS: If you do not plan to use the Master Chess Computer with 
          batteries for a month or more, remove the batteries.  Batteries 
          can leak chemicals that can destroy electronic parts.

          Dispose of old batteries promptly and properly.  Do not burn or 
          bury them.

Note: Saved game information is lost when you remove the batteries.

Using an AC Adapter

You can operate the computer from standard AC power with an optional AC 
adapter, such as Cat. No. 273-1455.

IMPORTANT: To ensure that you do not lose saved game information, you must
           install batteries in the computer even if you are using an AC
           adapter. 

CAUTION: You must use an AC adapter that supplies 9 volts and delivers at 
         least 100 milliamps.  Its center tip must be set to negative, and
         its plug must correctly fit the Master Chess Computer's 9V 100 mA
         jack.  The recommended adapter meets these specifications.  Using
         an adapter that does not meet these specifications could damage
         the computer or the adapter. 

Follow these steps to use an AC adapter.

1.  If the computer is on, press GO/STOP to turn it off. 

2.  Set the adapter's 5.5 mm outer diameter/2.1 mm inner diameter barrel 
    plug to negative.

3.  Insert the adapter's barrel plug into the computer's 9V 100 mA jack.

4.  Plug the adapter into a standard AC outlet.

CAUTIONS: Turn off the computer by pressing GO/STOP before you unplug the
          AC adapter or its barrel plug.

          Unplug the adapter from the AC outlet before you unplug its 
          barrel plug from the computer.

Resetting the Master Chess Computer

If your computer does not work properly after you replace the batteries, 
you might need to reset it.

Note: Resetting the Master Chess Computer erases any game you stored. 

To reset the computer, insert a pointed object, such as a straightened 
paper clip, into the ACL (all clear) hole on the bottom of the computer.  
The computer beeps and the display shows [] and 0:00:00.

(BR EB 9/28/00)

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