The Fairchild Channel F Democrat video game

Demonstration Cartridge
Insert cartridge
PRESS "Reset"
Point the recessed triangle on top of the hand controller toward the screen.
Follow the instructions the DEMOCART gives you.
When demonstration is over, PRESS "1" to play an actual hockey game. PRESS "2" to review the demonstration once again.

It seams there is also a version of hockey you can play on this Demonstration Cartridge.