Master 2200X Chess Computer
(600-2213)                 Troubleshooting            Faxback Doc. # 47020

If your computer is not working as it should, follow the suggestions below
to see if you can eliminate the problem.  If you cannot, take the computer
to your local RadioShack store for assistance.

PROBLEM                             SUGGESTION

The display is dim or blank,        Check the batteries and AC adapter (if
or the computer does not work       used).
at all.

The computer does not accept        Verify the position of all pieces,
a legal move, or displays an        black and white.  See "Verifying Piece
unexpected move.                    Positions" in Faxback Doc. # 47017.

During a game, the computer         The computer is set to a mate search
will not display an evaluation      level.  Choose another level.
rating, search depth, or current
move information.

During a game, the computer will    The computer's sound is off, or is set
not beep when a key or square is    to the silent mode (see "Silent Mode"
pressed, or will not beep at all.   in Faxback Doc. # 47019).  Change the
                                    options.

The computer unexpectedly turns     The computer's automatic power-off
itself off during a game.           option is on.  If desired, turn this
                                    option off.  See "Automatic Power-Off
                                    (G1)" in Faxback Doc. # 47019.

The computer takes a long time to   The computer might be set to a high
respond to a move.                  play level, or the computer's search
                                    algorithm option might be set to - SEL
                                    (brute force).  If desired, change the
                                    level or select + SEL (selective
                                    search).  See "Choosing a Level" in
                                    Faxback Doc. # 47016 and "Search
                                    Algorithms (A2)" in Faxback Doc.
                                    # 47019.

(BR/eb 7/28/98)