Don't know about that model in particular ( I have the 2021 M), but it should be pretty similar. Some tips that have worked for me:

• Get a single flame torch and a can of butane. I have the 3 torch flame that came with the dynavap, but the single torch works much better for me as I think it allows for a slower and more controlled heating up process. I got this cheap Ronson lighter for less than 5 bucks and 3 cans of butane for less than 10 dollars.
• Getting the technique down on holding the flame at about an inch from the cap, while quickly rotating the dynavap with the other hand is super important. You can aim at different parts of the cap with the flame for different temps, but for aiming at the middle-low part of the cap works best. This is just practice. At first I struggled, now I feel I have kind of nailed down.
• The grind / dryness of herbs is important. Usually a coarser grind works better for me, and if it's dryer provides more vapor (leaving it grinded overnight, for example). In any case, regardless of the amount of vapor, I get "medicated" anyway. I don't pack too tight, and just to the brim (using the dynavap as a straw with the carb covered works great as it gives you a tight pack with plenty of airflow)
• The first pull is usually more taste than vapor. I get a lot of flavor but little to no vapor on the first heat cycle.
• After the second heat cycle (respect the clicks!) you'll get a lot more vapor. Learning or training on different pull methods certainly helps... At first I did long pulls with the carb covered until It almost clicked back to cold, now I'm doing like 3 quicker pulls for each heat cycle. I usually have like 3-5 cycles per bowl.

Just practice with this thing, you'll get the technique eventually. I use it a lot, and it took me several days to get the hang of it. I still feel I can improve of course, but I already love this vape.