Adobe 13102498 User Guide - Page 455

PHOTOSHOP CS3 448 User Guide Acrobat 4 (PDF 1.3) Acrobat 5 (PDF 1.4) Acrobat 6 (PDF 1.5) Acrobat 7 (PDF 1.6) and Acrobat 8 (PDF 1.7) PDFs can be opened with Acrobat 3.0 and Acrobat Reader 3.0 and later. PDFs can be opened with Acrobat 3.0 and Acrobat Reader 3.0 and later. However, features specific to later versions may be lost or not viewable. Most PDFs can be opened with Acrobat 4.0 and Acrobat Reader 4.0 and later. However, features specific to later versions may be lost or not viewable. Most PDFs can be opened with Acrobat 4.0 and Acrobat Reader 4.0 and later. However, features specific to later versions may be lost or not viewable. Cannot contain artwork that uses live transparency effects. Any transparency must be flattened prior to converting to PDF 1.3. Supports the use of live transparency in artwork. (The Acrobat Distiller feature flattens transparency.) Supports the use of live transparency in artwork. (The Acrobat Distiller feature flattens transparency.) Supports the use of live transparency in artwork. (The Acrobat Distiller feature flattens transparency.) Layers are not supported. Layers are not supported. Preserves layers when creating PDFs from applications that support the generation of layered PDF documents, such as Illustrator CS and later or InDesign CS and later. Preserves layers when creating PDFs from applications that support the generation of layered PDF documents, such as Illustrator CS and later or InDesign CS and later. DeviceN color space with 8 colo- DeviceN color space with 8 colo- DeviceN color space with up to DeviceN color space with up to rants is supported. rants is supported. 31 colorants is supported. 31 colorants is supported. Multibyte fonts can be embedded. (Distiller converts the fonts when embedding.) Multibyte fonts can be embedded. Multibyte fonts can be embedded. Multibyte fonts can be embedded. 40-bit RC4 security supported. 128-bit RC4 security supported. 128-bit RC4 security supported. 128-bit RC4 and 128-bit AES (Advanced Encryption Standard) security supported. General options for Adobe PDF You can set the following options in the General section of the Adobe PDF Options dialog box: Description Displays the description from the selected preset, and provides a place for you to edit the description. You can paste a description from the clipboard. If you edit the description of a preset, the word "(Modified)" is added at the end of the preset name. Preserve Photoshop Editing Capabilities Preserves Photoshop data in the PDF, such as layers, alpha channels, and spot colors. Photoshop PDF documents with this option can be opened only in Photoshop CS2 and later. Embed Page Thumbnails Creates a thumbnail image of artwork. Optimize For Fast Web View Optimizes the PDF file for faster viewing in a web browser. View PDF After Saving Opens the newly created PDF file in the default PDF viewing application. Compression and downsampling options for Adobe PDF When saving artwork in Adobe PDF, you can compress text and line art, and compress and downsample bitmap images. Depending on the settings you choose, compression and downsampling can significantly reduce the size of a PDF file with little or no loss of detail and precision.