Nylig innhold av Oskar2905

Don't know why it is rotated :p .

Here's selector

Hi. I'm Oskar. I'm from Poland. Yesterday I bought a radionette receiver. Soundmaster 50. It sounds very nice and it's fully functional. Works 100%. My question is...what's the knob on the left for? I understand 3 middle positions (speakers A, speakers B and both A and B) but I can't figure out...