The following lines were added (+) and removed (-):
between the modes with the letter C. In mode A you could squeeze both paddlesbetween the modes with the letter C. In mode A you could squeeze both paddles (dah before dit) and you would let go of both after hearing the last dit. With mode B, you start the same BUT let go of both paddles after hearing the second *dah*.(dah before dit) and you would let go of both after hearing the last dit. Withmode B, you start the same BUT let go of both paddles after hearing the second*dah*.