Adobe 22020737 Acrobat X Pro Manual - Page 96

USING ACROBAT X PRO 90 Creating PDFs Acrobat 3.0 (PDF 1.3) Acrobat 5.0 (PDF 1.4) Acrobat 6.0 (PDF 1.5) Acrobat 7.0 (PDF 1.6) and Acrobat X (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 colorants is supported. DeviceN color space with 8 colorants is supported. DeviceN color space with up to 31 DeviceN color space with up to 31 colorants is supported. colorants is supported. Multibyte fonts can be Multibyte fonts can be embedded. (Distiller converts the embedded. fonts when embedding.) 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. Share custom PDF settings You can save and reuse your own Adobe PDF preset definitions. You can also share a custom preset by sending a copy of the resulting file to other users. Those users can then add it to the Distiller applications installed on their own computers. PDF settings files have the extension .joboptions. Custom preset files are stored in the following locations. • (Windows XP) Documents and Settings/[username]/Application Data/Adobe/Adobe PDF/Settings • (Vista/Windows 7) Users/[username]/AppData/Roaming/Adobe/Adobe PDF/Settings • (Mac OS) User/[username]/Library/Application Support/Adobe/Adobe PDF/Settings ❖ To add a custom PDF settings file to the menu, do one of the following: • Drag the .joboptions file onto the Distiller window. • In Acrobat Distiller, choose Settings > Add Adobe PDF Settings, browse to the copied .joboptions file, select it, and click Open. The settings file appears as the selected option in the Default Settings menu. Compressing and downsampling images When converting PostScript files to PDF, you can compress vector objects (such as text and line art) and compress and downsample images. Line art is described with a mathematical equation and is usually created with a drawing program such as Adobe Illustrator. Images-whether color, monochrome, or grayscale-are described as pixels and are created with applications like Adobe Photoshop or by scanning. Monochrome images include most black-and-white illustrations made by paint programs and any images scanned with an image depth of 1 bit. Last updated 10/11/2011