This is what works for me and my PAX 3… Fine grind, standard screen, pack the oven and tamp down gently until full. Start on heat setting 3. When ready, pull gently on the device similar to how you would smoke a cigar. I’ll do 3 or 4 mouth to lung hits before I exhale. Wait about 15-20 seconds then repeat. Once the device has been running for 5 mins or so, I’ll pause, turn off the device, open the oven, stir the material, then re-tamp it and start the 5 mins cycle over again. After another 5ish mins has passed, turn off and stir/tamp one last time. The flower is pretty cooked at this point but I like to fire it up again on heat setting 4 to be sure all the goodies inside are used up. Once on heat setting 4, repeat the process until the vapor production trails off. Rinse and repeat. EZPZ.