The following options are available via the file menu: . Display File Browser . ... XDir then can be used to send image file names to SAOtng for display. ... Regardless of the original image file format, SAOtng maintains a FITS image of the displayed image section in its memory. ... Pressing carriage return in the text window or clicking the OK button will cause SAOtng to store the current display frame in GIF format. ... Re-extract an image section from the current image file and re-display it. ...