Pogigreg Posted September 3, 2010 Report Share Posted September 3, 2010 My MUTE/ATT button is grayed out, on my new F7010 and I can't set the navigation voice to talk over the music. How do I get this button ungrayed? Quote Link to post Share on other sites
yannthekeys Posted September 3, 2010 Report Share Posted September 3, 2010 you 've got to put OFF the audio source before attempting to change the parameters Quote Link to post Share on other sites
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