Recently had this setup installed. It works great. However, every time I turn off the the ignition and back on later, the 6800DVD screen lights up, but doesn't not turn on. It's just a black screen. As soon as I reset my deck, it will work again, but all the settings are gone.

 

I have tried unplugging the NAVI before shutting off the car, but it still does the same thing.

Any one have this issue?

 

I have upgraded from CNDV-20 to CNDV-70, and it didn't help.