task main()
{

  nSyncedMotors = synchBC; //motor B is the master, motor C is the slave
  nSyncedTurnRatio = -100; //motors move in opposite directions of each other

  motor[motorB] = 30; //turn motor B on, which controls motor C at 30% power
  wait1Msec(500);  // wait for one half second

  motor[motorB] = 0;  // turn the motors off.

}