Yes, I have not created tutorials on conversion but I discussed it briefly to convey the concept.
I will discuss the details if I get a chance to create videos on conversion.
In short, enter the period name in "First Future Conversion Period" field (first field) up to which you wish to perform the conversion and choose rate options (the last three fields). The options you select are not affected by the number of journals you have in each period as shown in your attached document.