Normally, Datsqueeze resets the color scale (maximum-minimum) of the false color image each time a new file is opened, attempting to choose a sensible scale that will highlight the features of interest. If the "Disable Automatic Image Rescale" box is checked, this feature is disabled, and the same color scale is used. This might be useful, for example, when comparing a series of similar files or when making a "movie"; in this case the user might wish to use the same scale throughout the series. No matter how the check box is set, the first image opened in a session is always autoscaled. This feature is accessed programatically using IMAGEAUTORECALCENABLE.