Adobe Illustrator CS3 Manual de usuario descargar pdf (Pagina 287)

ILLUSTRATOR CS3

User Guide

281

About PDF/X standards

PDF/X standards are defined by the International Organization for Standardization (ISO). PDF/X standards apply

to graphic content exchange. During PDF conversion, the file that is being processed is checked against the specified

standard. If the PDF will not meet the selected ISO standard, a message appears, asking you to choose between

canceling the conversion or going ahead with the creation of a non-compliant file. The most widely used standards

for a print publishing workflow are several PDF/X formats: PDF/X-1a, PDF/X-3, and PDF/X-4.

Note: For more information on PDF/X, see the ISO website and the Adobe website.

PDF compatibility levels

When you create PDFs, you need to decide which PDF version to use. You can change the PDF version by switching

to a different preset or choosing a compatibility option when you save as PDF or edit a PDF preset.

Generally speaking, unless there’s a specific need for backward compatibility, you should use the most recent version

(in this case version 1.7). The latest version will include all the newest features and functionality. However, if you’re

creating documents that will be distributed widely, consider choosing Acrobat 5 (PDF 1.4) or Acrobat 6 (PDF 1.5)

to ensure that all users can view and print the document.

The following table compares some of the functionality in PDFs created using the different compatibility settings.

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 flat-

tened prior to converting to PDF

1.3.

Supports the use of live trans-

parency in artwork. (The

Acrobat Distiller feature flattens

transparency.)

Supports the use of live trans-

parency in artwork. (The

Acrobat Distiller feature flattens

transparency.)

Supports the use of live trans-

parency 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-

rants is supported.

DeviceN color space with 8 colo-

rants is supported.

DeviceN color space with up to

31 colorants is supported.

DeviceN color space with up to

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 Stan-

dard) security supported.

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Adobe Illustrator CS3 Manual de usuario Pagina 287

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