I'm complelely feed up with this unit. My z1 was sent off for repair twice now to pioneer. First time, NTF only reset was done. I was skeptical about this actually being done because when I got the unit back all my cd's were still in the library. Installed unit (cool 70 degree night in garage) and unit hangs up on pioneer screen immediately. I once again I was unable to do anything with unit all buttons except volume were locked out. Sent unit back to pioneer again with detailed description of problem. They say the replaced hard drive. Installed newly replaced hard drive z1 in this wee