Capture rate vs preset rate (32 Mhz vs 48 Mhz)

I am confused as to what happened. I am piecing together a short movie over several tapes (house construction intermingled with other pieces of video.) For no apparent reason, that I know of, FCE HD has decided to tell me that some of the captured clips don't match the preset (DV-NTSC). I am using a Sony TRV33 camera. When I looked in the bin, sure enough the clips were at 32 Mhz/16 bit, and the present was 48 Mhz/16 bit. Now, early on, after I just got the camera, I had a similar problem of mismatched audio, but I changed the bit rate in the camera from 12 bit to 16 bit and the issue went away. So far as I know, nothing changed for the camera configuration. I would like to know what happened and how I can fix/prevent it from happening again. Thanks.

"It is set for 16-bit."
What's it? The camera?
"I rechecked the Easy Setup and it was on NTSC-32khz. Soooo, why would the audio rate on the project sequence say 48 khz??"
That's the default setting. If you launch the application and then later change to 32K, the setting of the original sequence will be the default. Only sequences made after you change the preset will be 32K.

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