4 Image QualityWide Format Copy System User Guide 53SCAN OPTIONS (COLOR)9COMPRESSION:FORMAT:: PACKBITS: TIFFPREVIEWScan Options (Color) ScreensSCAN OPTIONS (COLOR)9COMPRESSION:FORMAT:INDEX: TIFFPALETTE: DEFAULTPREVIEWScan Options (Color) Screen – TIFF file formatPALETTE - Is shown only when the selected FORMAT is TIFF and the COMPRESSION isINDEX or INDEXED. Use this selection to determine which palette to use during RGB-to-indexcolor conversion. Select one of the following:• DEFAULT - Is the standard Windows system palette.• CAD_GIS - Is an AutoCAD-based palette suitable for scanning CAD documents andGIS maps.• WEB - Is a Windows WEB palette of 216 colors suitable for publishing documents onthe WEB.• PERCEPTUAL - Perceptual palette or Visual palette gives more weight to visuallysensitive colors.SCAN OPTIONS (COLOR)9COMPRESSION:FORMAT:NORMALJPEGPREVIEWScan Options (Color) Screen – JPEG file formatCOMPRESSION (JPEG file format selected) - Use this selection to determine the compressionmethod to apply to the saved JPEG document. Select one of the following:• BEST IQ - Saves a document at a lower compression ratio but has higher imagequality.• NORMAL - Saves a document at an average compression ratio and has averageimage quality.• BEST COMPRESSION - Saves a document at a higher compression ratio but has alower image quality