Nav On / Radio/CD off?

[pmaggan]

Is it possible to turn on only the navigation and not the radio/CD? I can't figure out how! I've got a touchscreen factory unit. Thanks.

[92Rustang]

So you have a srceen ,but no sound? Or can you hear the NAV(beeps and voice) and door chimes, just not hear the radio? If you can not hear the door chimes then you amp is not turning on or you have the wrong version of the NAV.

[pmaggan]

So you have a srceen ,but no sound?  Or can you hear the NAV(beeps and voice) and door chimes, just not hear the radio?  If you can not hear the door chimes then you amp is not turning on or you have the wrong version of the NAV.

 

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No, no. Everything works properly. I just want to know if I can have the navigation on with the radio off. Right now, as soon as I turn on the unit, the radio/CD/XM plays as well.