General Application Settings

Controls preferences associated with viewing comments. These preferences are not set by the author or stored in the PDF.

Summary table

bHoveringPopups	Automatically open popups on mouse rollover.
bShowAnnotSequence	Specifies whether to show tab order of fields for Acroforms and XFA forms.
iNoteOpacity	The opacity in percent of all comments.

iNoteOpacity

Data type

integer: DWORD value > REG_DWORD

85

8.0 and later

Originals

The opacity in percent of all comments.

Details

The number is entered in Hex. Possible values include:

d99a: 85% percent.
N/A: Any hex value representing 1-100%.

GUI mapping

Preferences > Commenting > Viewing Comments > Opacity

bHoveringPopups

Data type

boolean: DWORD value > REG_DWORD

0

8.0 and later

Originals

Automatically open popups on mouse rollover.

Details

Possible values include:

0: Don't open popups on mouse rollover.
1: Don't open popups on mouse rollover.

GUI mapping

Preferences > Commenting > Automatically open popups on mouse rollover.

bShowAnnotSequence

Data type

boolean: DWORD value > REG_DWORD

0

8.0 and later

AVGeneral

Specifies whether to show tab order of fields for Acroforms and XFA forms.

Miscellaneous settings related to overall application behavior.

Summary table

bDisplayAboutDialog	Specifies whether or not to display the startup splash screen at every launch.
bDisplayedSplash	Indicates whether or not the application has started up and invoked the splash screen.
bUsePageCache	Specifies whether to cache pages that have been loaded.

bUsePageCache

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies whether to cache pages that have been loaded.

Details

Possible values include:

0: Don't cache pages.
1: Do cache pages

GUI mapping

Preferences > Page Display > Rendering > Use page cache

bDisplayedSplash

Data type

boolean: DWORD value > REG_DWORD

0

8.0 and later

Originals

Indicates whether or not the application has started up and invoked the splash screen.

Details

Possible values include:

0: The splash screen has not been invoked yet.
1: The splash screen has been invoked.

bDisplayAboutDialog

Data type

boolean: DWORD value > REG_DWORD

1

6.0 and later

Originals

Specifies whether or not to display the startup splash screen at every launch.

Details

Possible values include:

0: Don't display the startup splash screen.
1: Display the startup splash screen at every launch.

GUI mapping

Splash screen

Like other settings in AVGeneral and elsewhere, these settings specify PDF viewing behavior with respect to the browser.

For a related Quick Key, see the Quick Key Library

Summary table

bAllowByteRangeRequests	Specifies whether to enable Fast Web View by allowing display of the PDF before the entire file is downloaded.
bBrowserCheck	If true, check to see if Display PDFs in browser is enabled on application startup.
bBrowserIntegration	For 10.x and earlier, specifies whether PDF files can be displayed in a browser.
bDownloadEntireFile	Specifies whether to allow background downloading of resources the view thinks it needs to properly display the PDF.

bBrowserIntegration

Data type

boolean: DWORD value > REG_DWORD

1

7.0 < 11.0

Originals

HKLM\SOFTWARE\Policies\Adobe\(product name)\(version)\FeatureLockdown

Summary

For 10.x and earlier, specifies whether PDF files can be displayed in a browser.

Details

If false, PDF files can only be displayed in the standalone application. Possible values include:

0: Clicking a link to a web-based PDF opens the PDF in the standalone application.
1: Clicking a link to a web-based PDF opens the PDF in the browser.

Behavior differences between versions:

9.x: The application checks all the possible bBrowserIntegration preferences for all versions and products, including Acrobat and Reader 7, 8, and 9. If any are 0, the application uses 0.
10.0 and later: The application checks the key corresponding to the "blessed" application that is named in the hard-coded key name at HKCR\Software\Adobe\Acrobat\Exe. For example, if the value is "C:\Program Files\Acrobat 10\Adobe Acrobat.exe, then Acrobat 10 checks HKCU\Software\Adobe\Adobe Acrobat\10.0\Originals\bBrowserIntegration.
11.0: deprecated.

NOTE

GUI mapping

Preferences > Internet > Display PDFs in browser

bBrowserCheck

Data type

boolean: DWORD value > REG_DWORD

1

6.0-8.0

Originals

If true, check to see if Display PDFs in browser is enabled on application startup.

Details

Deprecated with 8.0. Values:

0: The application doesn't check user browser settings at every startup.
1: The application does check user browser settings at every startup.

GUI mapping

Pre 8.x: Preferences > Internet > Web Browser Options > Display PDFs in browser

bAllowByteRangeRequests

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies whether to enable Fast Web View by allowing display of the PDF before the entire file is downloaded.

Details

Possible values include:

0: Don't enabled Fast Web View.
1: Do enable Fast Web View.

GUI mapping

Preferences > Internet > Web Browser Options > Allow fast web view

bDownloadEntireFile

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies whether to allow background downloading of resources the view thinks it needs to properly display the PDF.

Details

Possible values include:

0: Don't allow background downloading.
1: Do allow background downloading.

GUI mapping

Preferences > Internet > Web Browser Options > Allow speculative downloading in the background.

Color option preferences are stored in Access, but most actual color choices are stored in Originals. Both background and text colors may be individually configured to improve accessibility.

Values set by Custom Colors (accessibility)

[HKEY_CURRENT_USER\Software\Adobe\Acrobat
Reader\10.0\Originals\cAccessTextColor]
"iAccessTextColorBlue"=dword:00000000
"iAccessTextColorGreen"=dword:00010000
"iAccessTextColorRed"=dword:00000000
"iAccessTextColorSpace"=dword:00000001

Values set by Use High Contrast Colors (accessibility)

[HKEY_CURRENT_USER\Software\Adobe\Acrobat
Reader\10.0\Originals\cAccessBackgroundColor]
"iAccessBackgroundColorBlue"=dword:00000000
"iAccessBackgroundColorGreen"=dword:00000000
"iAccessBackgroundColorRed"=dword:00000000
"iAccessBackgroundColorSpace"=dword:00000001

Summary table

bAccessOverrideDocColors	Specifies whether to replace black test or line art colors when iAccessColorPolicy is enabled and a replacement color has been specified.
iAccessBackgroundColor	Specifies the default document background color (accessibility feature)
iAccessColorPolicy	Specifies whether all the controls in the Replace Document Colors panel should be enabled.
iAccessTextColor	Specifies the default document text color (accessibility feature)

iAccessColorPolicy

Data type

integer: DWORD value > REG_DWORD

null

8.0 and later

Originals

Specifies whether all the controls in the Replace Document Colors panel should be enabled.

Details

When disabled, this key is removed from the registry/plist. When this preference is selected, you can choose from a list of contrasting color combinations for text and background or create your own. Possible values include:

null: User specified.
1: Use Windows Color Scheme
2: Use Custom Colors
4: Use High Contrast Colors

GUI mapping

Preferences > Accessibility > Document Color Options > Replace Document Colors

bAccessOverrideDocColors

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies whether to replace black test or line art colors when iAccessColorPolicy is enabled and a replacement color has been specified.

Details

While the default is 1, the preference is not read unless iAccessPolicy is enabled (1). Possible values include:

0: Don't replace black text or line art colors.
1: Replace black text or line art colors.

GUI mapping

Preferences > Accessibility > Document Color Options > Only change the color of black test or line art

iAccessBackgroundColor

Data type

integer: DWORD value > REG_DWORD

Default

null

Version #

8.0 and later

Path

Originals\cAccessBackgroundColor

Summary

Specifies the default document background color (accessibility feature)

Details

The key name is appended with (Blue|Green|Red|Space). Possible values include:

Green text on black
Yellow text on black
White text on black
Black text on white

GUI mapping

Preferences > Accessibility > Document Color Options > Use High Contrast Colors (or Custom Colors)

iAccessTextColor

Data type

integer: DWORD value > REG_DWORD

Default

null

Version #

8.0 and later

Path

Originals\cAccessTextColor

Summary

Specifies the default document text color (accessibility feature)

Details

The key name is appended with (Blue|Green|Red|Space). Possible values include:

null: not set
Any RGB color: User specified.

GUI mapping

Preferences > Accessibility > Document Color Options > Use High Contrast Colors (or Custom Colors)

These settings specify the default page layout and zoom level when a PDF is opened. They can be overridden by Accessibility settings.

Summary table

iDefaultZoomScale	Specifies the zoom scale % to use when a PDF opens.
iDefaultZoomType	Specifies the default zoom type (other than a %) to use when a PDF opens.
iPageViewLayoutMode	Specifies the default page layout when a PDF opens.

iPageViewLayoutMode

Data type

integer: DWORD value > REG_DWORD

1

9.0 and later

Originals

Specifies the default page layout when a PDF opens.

Details

These settings can be overridden by Accessiblity settings such as bOverridePageLayout. Possible values include:

null: Automatic
1: Single Page
2: Single Page Continuous
3: Two Up Continuous
5: Two Up

GUI mapping

Preferences > Page Display > Default Layout and Zoom > Page Layout

iDefaultZoomScale

Data type

integer: DWORD value > REG_DWORD

1

9.0 and later

Originals

Specifies the zoom scale % to use when a PDF opens.

Details

Possible values include a range beginning with Fit Pageto Reflow. To set a value, configure the UI and look at the registry/plist preference to see what has been written. Possible values include:

199a: 10%
4000 25%
8000: 50%
c000: 75%
10000: 100%
etc.

GUI mapping

Preferences > Page Display > Default Layout and Zoom > Zoom

iDefaultZoomType

Data type

integer: DWORD value > REG_DWORD

1

9.0 and later

Originals

Specifies the default zoom type (other than a %) to use when a PDF opens.

Details

% scales are stored in iZoomScale. Possible values include:

1: Fit Page (automatic)
2: Fit Width
3: Fit Hieght
4: Fit Visible
6: Reflow

GUI mapping

Preferences > Page Display > Default Layout and Zoom

These settings specify how the PDF viewer renders various document elements. See also AVDisplay and Access.

Summary table

bAntialiasGraphics	Specifies wither to use anti-aliasing (smoothing) for line art.
bAntialiasImages	Specifies wither to use anti-aliasing (smoothing) for images.
bUseLocalFonts	Specifies whether to use local fonts.
iAntialiasThreshold	Specifies how to smooth (anti-alias) text.

bAntialiasGraphics

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies wither to use anti-aliasing (smoothing) for line art.

Details

Turning this preference off can improve scrolling performance in Citrix environments. Possible values include:

0: Don't smooth line art.
1: Smooth line art.

GUI mapping

Preferences > Page Display > Rendering > Smooth line art

bAntialiasImages

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies wither to use anti-aliasing (smoothing) for images.

Details

Turning this preference off can improve scrolling performance in Citrix environments. Possible values include:

0: Don't smooth images.
1: Smooth images.

GUI mapping

Preferences > Page Display > Rendering > Smooth images

bUseLocalFonts

Data type

boolean: DWORD value > REG_DWORD

1

8.0 and later

Originals

Specifies whether to use local fonts.

Details

Possible values include:

0: Don't use local fonts.
1: Do use local fonts.

GUI mapping

Preferences > Page Display > Rendering > Use local fonts

iAntialiasThreshold

Data type

integer: DWORD value > REG_DWORD

0

8.0 and later

Originals

Specifies how to smooth (anti-alias) text.

Details

Possible values include:

0: None.
1: For Monitor.
2: For Laptop/LCD Screens.

GUI mapping

Preferences > Page Display > Rendering > Smooth Text

Document open settings control the behavior of documents when opened. They appear in several registry places such as AVGeneral, RememberedViews, Originals, and OptionalContent.