This may seem like a stupid question to some, however I am stumped. I’ve been handed down a rusted beat up old Alvey reel. From what I can discern it’s a late ‘70’s 500 A3. I know Alvey’s are famous for their simplicity This model however has a switch marked Ratchet. My question is, what is this switch’s intended purpose? It does not seem to have any effect whether on or off which may be my error when reassembling. If anyone could point me in the right direction it would be much appreciated.