(31 Dec 2014, 5:45 pm)tyresmoke wrote They probably just want turning down. All of our drivers know how to do it at Stockton, but we are 'forbidden' from touching them. If they're too high they'll get turned down though!
Seems sensible that they don't want everyone fiddling with them. If there's an inconsistency across the fleet, they'll end up with complaints they're too loud and complaints they're too quiet.