I'm not sure what to do there. I googled about this and read comments about the bayer matrix. I then changed the camera selection from the generic RBG to a Canon 50D (had a guess as they didn't have my camera in it). This was under the FITS file menu however, not the TIFF file, which only gave me the number options.
Do I need to change the numbers in the TIFF section, or alter the output file to FITS so it picks up the different camera ?
If you can't tell, I am confused