5
The computer is now in the same state as when you first acquired it,
except
that any games saved as in
Section 5.10 will be retained. This operation may occasionally be useful in case of a problem you don’t
understand.
2.7
The buttons and their functions (summary)
GREEN button Confirms an instruction.
RED button Cancels an instruction. Cancels a ‘prompt’ from the computer.
Note:
The RED and GREEN buttons have various uses depending on the situation. Their functions at any
particular moment are indicated by the ‘inverted’ wording (i.e. text on a dark background) in the bottom line
of the display: RED in the left corner, GREEN in the right corner. The corner of the display is blank if the
button has no function in the current situation.
Switches the computer on or off.
NEW Starts a new game.
Adjusts the display’s backlighting.
Retracts moves.
Replays moves.
ï Moves the cursor left. Switches screens. Alters a parameter.
ð Moves the cursor right. Switches screens. Alters a parameter.
ñ Moves the cursor up.
ò Moves the cursor down.
If held down, buttons will ‘auto-repeat’.
3
Playing against the computer
3.1
Your move
3.1.1
Ordinary moves
Press on the departure square of the piece you want to move. There is a ‘beep’, and the red lights at the
corners of the square come on.
To complete your move, press the piece down on its destination square after taking away any piece that you
are capturing.
3.1.2
Special moves
• ‘En passant’ capture: First move your own pawn, then press on the square of the captured pawn as
you take it off the board.
• Pawn promotion: Move the pawn to the promotion square. The bottom line of the display will show
(e.g.):
This invites you to promote to a queen. If you want, you can switch to a different piece by pressing ï
or ð. When the desired piece is shown, press GREEN and replace the pawn with the piece.
• Castling: Move the king first. Then move the rook in the same way, i.e. pressing on the ‘from’ and
‘to’ squares.
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