Back when stereo receivers all had TAPE MON buttons, sales guys who were asked for help over the phone would suggest that the person turn the volume up. Then further up. Then further up.
Then check to see if the TAPE MON button was pushed in....
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
