Hi CS,
As John says, without seeing the whole cutting chart and the controls of the lathe, it is rather difficult to decipher what is going on.
But I will try to assist you with what you are showing.
Looking at the chart on the left, you set the train up as shown, with the Z sized gear shown above the thread you want to cut mounted in the position Z on the left hand chart.
So to cut 32 TPI, you should have the 48 tooth gear in position Z, and for a 19 TPI you would use the 38 tooth gear.
You should have a lever somewhere on the front of your lathe marked M, and I would suspect it has two positions it can be in. When it is in position M-I you will cut 32 TPI, or if it is in position M-II, you will be cutting 16 TPI.
If that cracks the code for you, great, if not, you can show a bit more info and that will give more clues how to set up.
It took me ages to crack the charts on my lathe (actually the screwcutting dial, you have to change gears on that to give the correct indication for metric threads), because, like yourself, my manual is only good enough for wiping your a**e on. But once you get the hang of it, you will have no further trouble.
John