Pioneer AVIC-Z1 Install

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I will have to add something about this unit which is annoying, and it is the voice system. Sometimes, I can say, Call, Telephone book and it takes me to telephone book. However, most of the time when I say telephone book, it takes me back to the Map screen. It may not actually be in the voice recognition circuit, it may just be a flaw in the system, but it is annoying as hell.
Other things I have noticed that make no sense.
You can't mute the audio when actively on the phone.
Echo is terrible on the other end. In fact, I have some people who refuse to talk to me while using the bluetooth system. I even contacted Pioneer before purchasing this and they said that it was not a problem.

Pioneer says that if people are receiving this feedback echo, it is due to the location of the microphone. I have it installed in the corner of the I/P cluster trim. Per Pioneer, it must be installed on the visor; however, they don't say what happens when you have to use the visor...something I do quite often since I travel west quite a bit in the evening.

I'll relocate the mike somewhere on the top of the A-pillar and see if that solves the problem, but I believe the problem is in their unit.

Anyone else getting complaints on the echo from people they talk too?