noise reduction

Sony A200 - is NR applied to all RAW files?

Hello all,

Newbie here. I've had my A200 for about a month now and I'm loving it so far.

I'm starting to experiment with RAW now and I'm wondering if NR is applied to all RAW files. I noticed there is a NR off on high ISO setting.

Does this mean NR applied to RAW only at high ISO (iso 1600 or 3200) by default?

From what I have read - RAW is best for getting the highest quality and there is NR applied to all jpgs.

So far the majority of my pics are in jpg, but I want to learn more and thought I would ask here and see everyone's thoughts.

Thanks in advance

Does long exposure NR effect RAW files?

I have taken a few long exposure pictures ( > 2 sec) with my A200 in RAW mode and there are a few hot pixels showing up. I have the long exposure noise reduction option turned on and I thought that should subtract a dark frame and remove any hot pixels. Does this only apply to JPEGs, or should the RAW files be affected too?