Reply To: About the sampling tab

You can set the Time Limit (just above the Denoise option) to something you like. Then you can leave all other Settings as they are now, or try to change (some of) them; the actual render time per frame will stay within that limit. (Plus a bit more for saving and “synchronization”)

Btw, is that the official 3.0 ? Because when using Adaptive Sampling (Noise Treshold), Scrambling Distance and Pattern should be greyed out: