Sea Battle Game (600-2193) Battery Faxback Doc. # 16661 Install 4 AA batteries (Radio Shack Cat. No. 23-552 or equivalent) in the battery compartment in the base of the unit. Be sure to observe correct polarity. Place the game on a flat surface and lift the two lids to a vertical position. Note that Side. A, which has the electronic game score display and ON/OFF Switch, is your side when you play against the computer. Slide the ON/OFF switch on the control panel to ON. The computer will play a tune, then the sonar will start indicating that the computer is ready to play. (/all-08/23/95)