This is a Chess Challenger instruction manual, which introduces the features and usage methods of Chess Challenger
This manual introduces the Chess Challenger electronic chess computer, describing its battery compartment, sensory chessboard, piece storage, adapter socket, display window and board lights. It guides users through powering the unit, inserting batteries or an AC‑DC adapter, and resetting for a new game.
The document details all operating modes—Game, Level, Study, Info, Option, Position and Teach—along with key functions such as taking back moves, changing sides, and interrupting the computer’s search. It also covers level selection (64 levels), technical specifications, maintenance, and a troubleshooting guide.
| Battery type | Four “C” (AM2/R14) alkaline batteries |
|---|---|
| Power source | AC‑DC adapter (optional) |
| Number of playing levels | 64 |
| Game memory capacity | Up to 50 individual moves |
Press the GO/STOP key; a beep will confirm that the unit is powered on.