Global Image Save Location
This specifies the location to save the images taken with CCD Commander. Click the "..." button to browse to the path you wish to save to.
Use MaxIm DL FITS Compression
This enables the use of the FITS Compression function in MaxIm DL when saving images. This can reduce the FITS file size - but be aware it will render the FITS files incompatible with other software packages, the resulting FITS files must be opened in MaxIm DL.