If so, then it just means you haven't really used a Classic III SL or an IDX Pro to hunt a variety of challenging sites ... or ... you don't have a use for the broader range of lower discrimination that accepts iron as well as non-iron. There are times when such an adjustment is very useful.
Models such as the White's M6 and MXT/MXT Pro also have an easily adjusted minimum Disc. setting that accepts all metals, but it is more of a coarse-tune adjustment whereas the Classic units provide more fine-tuning in that lower range due to the Black Sand selector's expanded adjustment..
Monte
Models such as the White's M6 and MXT/MXT Pro also have an easily adjusted minimum Disc. setting that accepts all metals, but it is more of a coarse-tune adjustment whereas the Classic units provide more fine-tuning in that lower range due to the Black Sand selector's expanded adjustment..
Monte