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Specifying working spaces for unmanaged colors, Specifying a color management engine

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Adobe Acrobat Help Using Help | Contents | Index Managing Color in Acrobat Back 236 Emulate Photoshop 4 Emulates the color workflow used by the Mac OS version of Adobe Photoshop 4.0 and earlier. Photoshop 5 Default Spaces The default color settings in Photoshop 5.0 The values for the color management engine and the RGB, CMYK, and Grayscale working spaces vary with the Settings value. If you edit any of these settings, your Settings selection reverts to Custom. Note: These settings apply to any color spaces in a PDF file that are not color managed, and they remain in effect until you change them again. Acrobat uses the profiles and color management system information from the color settings file to convert only unmanaged color in the document for display and printing. Specifying working spaces for unmanaged colors In a color-managed workflow, each color mode must have a working space profile associated with it. Acrobat ships with a standard set of CMYK, RGB, and Grayscale profiles that have been recommended and tested by Adobe Systems for most color management workflows. By default, only these profiles appear in the working space menus. Note the following for Grayscale working space profiles: • You can specify a Grayscale working space profile that is based on the characteristics of a particular dot gain. Dot gain occurs when a printer's halftone dots change as the ink spreads and is absorbed by paper. Dot gain is the amount by which the expected dot increases or decreases. For example, a 50% halftone screen may produce an actual density of 60% on the printed page, exhibiting a dot gain of 10%.The Dot Gain 10% option represents the color space that reflects the grayscale characteristics of this particular dot gain. Proof (no dot gain), and printed image (with dot gain) • You can also specify a Grayscale working space profile that is based on the characteristics of a particular gamma. A monitor's gamma setting determines the brightness of midtones displayed by the monitor. Gray Gamma 1.8 matches the default grayscale display of Mac OS computers and is also the default grayscale space for Photoshop 4.0 and earlier. Gray Gamma 2.2 matches the default grayscale display of Windows computers. Specifying a color management engine The color management engine specifies the system and color-matching method used to convert colors between color spaces. Acrobat uses industry-standard color management engines: • Adobe (ACE), which uses the Adobe color management system and color engine.This is the default setting for most preset color configurations. Using Help | Contents | Index Back 236

Section	Page
Using Help	1
Using online Help	1
Using Bookmarks	2
Using the navigation bar	2
Printing the Help file	3
Other help resources	3
Contents	4
Accessibility	5
Using accessibility features in Acrobat 5.0	5
Using a screen reader with Acrobat 5.0	5
Using Acrobat and Microsoft Internet Explorer (Windows only)	5
Using keyboard shortcuts for menu commands and navigation	6
Menu bar keystrokes	6
Document pane keystrokes	6
Toolbar keystrokes (Windows only)	6
Navigation pane keystrokes	7
Floating palette access (Windows only)	7
Dialog box keystrokes	7
Setting Accessibility preferences	7
Learning Adobe Acrobat 5.0	9
Using Web resources	9
Using Adobe Online	9
Other learning resources	10
Customer support	11
Customer support on Adobe Online	11
Additional customer support resources	11
Looking at the Work Area	12
Using the work area	12
Using menus and tools	13
Using context menus	14
Using palettes and the navigation pane	14
Using the grid	16
Using the Info palette	16
Opening PDF documents	17
Adjusting the view of PDF documents	17
Magnifying and reducing the view	17
Setting the page layout and orientation	18
Reading documents in Full Screen view	19
Navigating in PDF documents	20
Paging through documents	20
Browsing with navigational structures	21
Retracing your viewing path	23
Finding words in PDF documents	24
Getting information on PDF documents	24
Printing PDF documents	26
Printing oversize pages using tiling	27
Selecting a printer output tray (Windows only)	28
Setting Acrobat preferences	28
Creating Adobe PDF Files	32
Using Acrobat Distiller	32
Converting Microsoft Office application files (Windows)	32
Using an authoring application’s Print command (Windows)	32
Using an authoring application’s Print command (Mac OS)	33
Dragging a file onto the Create Adobe PDF icon (Mac OS)	33
Using an authoring application’s Save As or Export command	34
Converting image, HTML, and text files	34
Converting scanned documents to Adobe PDF	34
Scanning pages from paper documents	35
To scan pages from a paper document:	35
Capturing pages to convert to searchable text	35
Correcting words on captured pages	36
Creating PostScript files	37
Tips on creating PostScript files	38
Creating Adobe PDF files from PostScript files	38
Setting up watched folders	40
Combining PostScript files	41
Converting Asian text to Adobe PDF (Windows)	41
About Asian language Adobe PDF files	42
Embedding Asian TrueType fonts in an Adobe PDF file (Windows)	42
Substituting Asian TrueType fonts with printer font references	43
Working with Japanese ATM Type1 fonts	43
Converting Asian text to Adobe PDF (Mac OS)	43
Working with Asian ATM Type1 fonts	43
Working with Adobe Type Composer Japanese fonts	44
Preventing ATM from rasterizing Asian fonts	44
Using MakeCID to create width-only fonts	44
About Eastern European and Middle Eastern language Adobe PDF files	45
Acrobat Distiller Options	46
Setting Distiller options	46
Setting job options	46
Setting the Distiller General job options	48
Applying compression and resampling	51
About methods of compression	51
About resampling	52
Setting the Distiller Compression job options	53
Applying different settings to different images	54
Giving Distiller access to fonts	55
Embedding fonts	56
About font embedding and substitution	56
Previewing PDF files without embedded fonts	57
Setting the Distiller Fonts job options	57
Finding PostScript font names	58
Managing color with Distiller	59
Specifying how color is managed	59
Managing ICC profiles	59
Setting the Distiller Color job options	60
Setting the Distiller Advanced job options	63
Adding security to Adobe PDF files	65
Setting Distiller preferences	67
Setting the Distiller printer preferences	67
Setting Distiller printer properties (Windows only)	67
Specifying printing properties on Windows 95, 98, and Millennium Edition	68
Converting Web Pages to Adobe PDF	69
About Adobe PDF documents created from Web pages	69
Configuring your Internet or proxy settings	69
Downloading Web pages in Acrobat	70
About pages on Web sites	71
Converting Web pages by specifying a URL	71
Converting a link’s Web pages	72
Converting Web pages by dragging and dropping	73
Specifying conversion options for capturing Web pages	74
Setting General conversion options	74
Setting display options for HTML files	75
Setting display options for text files	76
Defining page layouts	77
Working with Web pages converted to Adobe PDF	78
Using tagged bookmarks to organize converted Web pages	78
Adding more tagged bookmarks	79
Getting information on converted Web pages	79
Refreshing converted Web pages	80
Comparing converted pages with current Web pages	80
Setting Web Capture preferences	81
Repurposing Adobe PDF Documents	82
About the different types of Adobe PDF documents	82
Contents of different types of Adobe PDF documents	82
How different types of Adobe PDF documents can be repurposed	83
Creating structured Adobe PDF documents	84
Creating tagged Adobe PDF documents	84
Saving Adobe PDF documents to other formats	84
Reflowing the contents of tagged Adobe PDF documents	85
Editing the reflow order of tagged Adobe PDF documents	85
Providing accessibility to Adobe PDF documents	86
Editing the logical structure tree of Adobe PDF documents	87
Checking the accessibility of Adobe PDF documents	88
Verifying the sequence of words in Adobe PDF documents	89
Inserting special characters in Adobe PDF documents	89
Organization and Navigation Elements	90
Working with thumbnails	90
Creating and deleting thumbnails	90
Creating and deleting thumbnails in a document collection	91
Working with bookmarks	91
Creating bookmarks	92
Editing and deleting bookmarks	93
Creating a bookmark hierarchy	94
Tagged bookmarks	95
Working with articles	95
Defining articles	96
Editing and deleting articles	96
Working with links	98
Creating links	98
Setting magnification options	99
Editing links	99
Creating and editing Weblinks	100
Working with destinations	101
Working with PDF	103
Copying PDF text and graphics to other applications	103
Copying all the text in a PDF file	104
Copying images from a PDF file	104
Copying small amounts of text and graphics from a PDF file	106
Selecting tables and formatted text (Windows)	107
Using the table/formatted text select tool	107
Setting preferences for the table/formatted text select tool	108
Cropping and rotating pages	110
Moving and copying PDF pages and files	111
Combining PDF files	111
Moving and copying using thumbnails	112
Moving and copying using tagged bookmarks (Windows)	112
Extracting pages	113
Deleting and replacing pages	113
Renumbering pages	116
Editing text	117
About the touchup text tool	117
Editing text with the touchup text tool	117
Editing line breaks	119
Fitting text within a selected text line	119
Editing graphic objects within PDF documents	120
Setting the TouchUp preferences	122
Incorporating PDF documents in documents with OLE support	122
Comparing two PDF documents	123
Batch processing	124
Adding Comments	128
About comments	128
Using the Comments palette	128
Using the comment tools	129
Using the notes tool	130
Using the free text tool	130
Using the sound attachment tool	132
Using the stamp tool	133
Adding custom stamps to the stamp library	133
Using the file attachment tool	134
Marking up documents	135
Marking up documents with graphic markup tools	135
Marking up documents with text markup tools	137
Setting the custom color option	138
Managing comments	138
Editing comments	139
Generating comment summaries	140
Sorting, showing, and hiding comments	140
Finding comments	140
Setting comment preferences	141
Importing and exporting comments	142
Sharing comments on a server	143
Working online versus offline	143
Uploading, downloading, and viewing comments	143
Deleting comments	144
Working off-line and sharing comments on a server	144
PDF Forms	145
Creating PDF forms	145
Creating form fields	145
Creating text boxes	147
Creating buttons	148
Creating check boxes	148
Creating combo boxes and list boxes	148
Creating radio buttons	150
Creating signature fields	150
Setting form field options	151
Setting appearance options	151
Setting action options	152
Setting format options	153
Setting validation options	153
Setting calculation options	154
Designing, building, and editing forms	155
Selecting form fields	155
Positioning form fields with the grid	156
Creating form tables	156
Editing form fields	157
Duplicating form fields	158
Changing the appearance of form fields	159
Setting tabbing order	159
Working with the Fields palette and context menu	160
Making forms Web ready	160
Creating Submit Form and Reset Form buttons	160
Creating Import Data buttons	162
Submitting images with a PDF form	162
Defining CGI export values	163
Using custom JavaScripts in forms	164
Creating simple JavaScripts	164
Creating an automatic date field	164
Subtracting and dividing two values	165
Assigning a ‘go to page’ action	166
Sending a document or form via e-mail	167
Hiding a field until a condition is met	167
Using templates to generate forms dynamically	168
Exporting and importing form data	169
Filling out forms	170
Adding Interactivity	172
Using buttons	172
Creating interactive buttons	173
Customizing button displays	174
Showing and hiding graphic form fields	175
Integrating media clips into PDFs	176
Adding movie clips	176
Adding sound clips	178
Tips for adding movie and sound clips	178
Playing movies and sound clips	179
Using actions for special effects	179
About action types	180
Using page actions	181
Working with JavaScript actions	181
Working with document level JavaScript actions	183
Distributing Documents in PDF	185
E-mailing documents from Acrobat	185
Preparing documents for electronic distribution	185
Adding a Welcome page	186
Naming PDF documents	186
Compressing image files	187
Optimizing or creating Fast Web View files	187
Adding searchable information and setting the binding	188
Defining opening views	188
Setting security for documents	189
Indexing document collections	190
Distributing documents containing media clips	191
Using PDF Consultant to analyze and repair documents	191
Viewing Document Metadata	192
Encrypting PDF files	192
Digitally Signing PDF Files	195
About using digital signatures	195
Selecting a signature handler	196
Setting a default signature handler	196
About Acrobat Self-Sign Security	197
Setting up profiles in Acrobat Self-Sign Security	197
Creating profiles	197
Backing up your profiles	198
Adding graphics to signatures	198
Changing your password options	199
Changing your password	199
Changing your password time-out options	200
Working with signatures	200
Logging in to a profile	201
About signature fields	201
Adding signatures to a document	201
Adding signatures to a document in a browser	202
Verifying signatures	203
Deleting signatures and clearing signature fields	203
Tracking digital signatures in the Signatures palette	204
Getting information on signatures	205
Viewing earlier versions of a signed document	205
Managing user certificates	205
Sharing your user certificate	205
Getting information on certificates	206
Building a list of trusted certificates	207
Setting Acrobat Self-Sign Security preferences	208
Viewing and Buying PDF on the Web	209
Setting your Web Buy preferences	209
About locked PDF files and license files	210
Transacting a purchase using Web Buy	210
Reconfiguring your Web browser	211
Viewing PDF documents on the Web	211
Reading PDF documents in a Web browser	211
Searching in a Web browser	211
Enabling Fast Web View	211
Setting up Acrobat as a helper application	212
Installing the Web browser plug-in	212
Managing Acrobat plug-ins	212
About Web Services	213
Redirection of Web services updates	214
Searching and Indexing Document Collections	215
Searching indexes	215
Selecting indexes	215
Using the Search command	215
Advanced search techniques	217
Refining searches	217
Using Word Assistant	218
Searching with Document Info and Date Info	219
Searching for phrases, stopwords, numbers, and separator characters	219
Using Boolean operators	220
Expanding searches	221
Limiting searches	221
Indexing PDF Documents	221
Preparing and structuring document collections for indexing	221
Creating the file structure	222
Defining and building an index	224
Stopping index builds	225
Selecting options	225
Adding document identifiers to 1.0 PDF files for cross-platform compatibility	226
Setting Acrobat Catalog and Search preferences	226
Setting Acrobat Catalog preferences	226
Setting Search preferences	228
Purging and rebuilding indexes	229
Moving document collections and their indexes	229
Managing Color in Acrobat	230
Why colors sometimes don’t match	230
About color management	230
About color models	231
RGB model	231
CMYK model	232
Grayscale model	232
Color gamuts	232
Device-dependent color	233
Device-independent color	233
Do you need color management?	234
About working spaces	234
Managing color in Acrobat	234
Choosing a color settings file	235
Specifying working spaces for unmanaged colors	236
Specifying a color management engine	236
Using black-point compensation	237
Soft-proofing colors	237
Creating a viewing environment	238
Managing color on a printer	239
Using printer-based color management	239
Using host-based color management	239
Setting color management options	240
Setting device-dependent print options	241
Declaring trapping information	241
Exporting to PostScript or EPS	241
Using PDFWriter to Create Adobe PDF Files (Windows)	243
About PDFWriter	243
Creating Adobe PDF files with PDFWriter	243
Setting PDFWriter properties	244
Changing the page setup	244
Changing the compression options	245
Embedding fonts in Adobe PDF files	246
Windows Shortcuts	248
Selecting tools	248
Navigation	249
Function Keys	250
Editing Documents	250
Searching	252
Document Information and Preferences	252
Windows	252
Miscellaneous	252
Mac OS Shortcuts	253
Selecting tools	253
Navigation	254
Function Keys	255
Editing Documents	255
Searching	257
Document Information and Preferences	257
Windows	257
Miscellaneous	257
Index	258
A	258
B	260
C	261
D	263
E	265
F	266
G	268
H	269
I	269
J	270
K	271
L	271
M	272
N	273
O	273
P	274
Q	277
R	277
S	278
T	280
U	282
V	282
W	283
X	284
Z	284
Legal Notices	285

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Adobe Acrobat Help

Managing Color in Acrobat

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236

Emulate Photoshop 4

Emulates the color workﬂow used by the Mac OS version of

Adobe Photoshop 4.0 and earlier.

Photoshop 5 Default Spaces

The default color settings in Photoshop 5.0

The values for the color management engine and the RGB, CMYK, and Grayscale working

spaces vary with the Settings value. If you edit any of these settings, your Settings

selection reverts to Custom.

Note:

These settings apply to any color spaces in a PDF ﬁle that are not color managed,

and they remain in effect until you change them again. Acrobat uses the proﬁles and color

management system information from the color settings ﬁle to convert only unmanaged

color in the document for display and printing.

Specifying working spaces for unmanaged colors

In a color-managed workﬂow, each color mode must have a working space proﬁle

associated with it. Acrobat ships with a standard set of CMYK, RGB, and Grayscale proﬁles

that have been recommended and tested by Adobe Systems for most color management

workﬂows. By default, only these proﬁles appear in the working space menus. Note the

following for Grayscale working space proﬁles:

•

You can specify a Grayscale working space proﬁle that is based on the characteristics of

a particular dot gain.

Dot gain

occurs when a printer’s halftone dots change as the ink

spreads and is absorbed by paper. Dot gain is the amount by which the expected dot

increases or decreases. For example, a 50% halftone screen may produce an actual

density of 60% on the printed page, exhibiting a dot gain of 10%.The Dot Gain 10%

option represents the color space that reﬂects the grayscale characteristics of this

particular dot gain.

Proof (no dot gain), and printed image (with dot gain)

•

You can also specify a Grayscale working space proﬁle that is based on the character-

istics of a particular gamma. A monitor’s

gamma

setting determines the brightness of

midtones displayed by the monitor. Gray Gamma 1.8 matches the default grayscale

display of Mac OS computers and is also the default grayscale space for Photoshop 4.0

and earlier. Gray Gamma 2.2 matches the default grayscale display of Windows

computers.

Specifying a color management engine

The color management engine speciﬁes the system and color-matching method used to

convert colors between color spaces. Acrobat uses industry-standard color management

engines:

•

Adobe (ACE), which uses the Adobe color management system and color engine.This is

the default setting for most preset color conﬁgurations.