24 May 2022, 11:50

@ronald-weaver I am confused at times, too. But to control the volume of the mp3's being played, there's only 2 settings. One is on the GPS, the other one on the headset...

The setting on the GPS is the "Media volume". That's a percentage of the main/maximum volume. If that one is, e.g., at 10 percent, you may have a problem hearing media loud enough in your headset. Mine is at 70% and I rarely modify it as I prefer songs being played a little less loud than the navigation instructions (which are set at 100%).

The setting on the headset itself is the one I myself use most. You can modify the volume (of all sounds coming from the GPS) louder and quiter there.

Note that I'm talking of the Zümo595, but I don't think it's any different on the 396...