Help understanding configuration options for Tuya mmwave sensors

Please help me understand what the different configuration means for the following.

24G MmWave radar human presence motion sensor (ZY-M100-24GV2)
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Presence timeout
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5G Sensor ZY-M100-S_2
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I’m keen to know this as well. I’ve got a few and have tried various combinations of settings but I’m not sure exactly what each does (i.e. is sensitivity of 1 more sensitive than 10, or is it a tuning thing for whats in the environment ?) and is there an order in which you should set them up ? Is there a guide somewhere ? And where did I come from ?