I own one of these meters and have lost the instructions. Can any body tell me what the weigthing switch does / means (A and C)? I usually keep it a C, but I don't understand, isn't volume scale in dB. How can it change? And why isn't here a weighting B?

Thanks

Paul

paul

Axiom M80, VP180, Qs8, EP500
Epson 3020
Rotel RB-880
Denon AVR-990