I can't remember exactly which setting it was...I've since moved on to FlexScan3D!
It's definitely in advanced settings...I'd suggest poking around in the StructuredLight drop down. It's easy to see what you've changed as the Reset button next to the setting gets highlighted
I use these settings - with them the best result was obtained on three different cameras (YW500U3M, Mindvision SUA630M and Daheng MER630) and the scan speed was higher than with the "Quality" setting:
HP settings 01
HP settings 02
Soft: RangeVision DIY, Calibration panel/Rotary tables - RangeVision, Prj: LG PF1500G, Cam: Daheng Mercury MER2-630-60U3M-L (USB3.0, monochrome) x2, Obj: ZLKC FM12036MP5 (F2.8/5Mp/12-36mm) x2. And a handheld scanner Creality Ferret