The Virtual Buffer settings dialog can be found in the Preferences menu, under "Virtual Buffers...". Alternatively, it can be accessed by pressing NVDA+Control+B. Note: Because virtual buffer support is being rewritten for applications such as microsoft internet explorer, outlook, and Adobe Reader, some of the features that are presented in this dialog only apply to the virtual buffers that have already been completed, such as the ones found in Mozilla Firefox 3.0, Thunderbird 3.0, and Seamonkey 2.0. The dialog contains the following options:
This field sets the maximum length of a line of a virtual buffer (in characters). Its not guaranteed that all lines will end up being this length or under, but most should.
Although virtual buffers don't really have pages, this field sets the amount of lines you will move by when pressing page up or page down while in a virtual buffer.
This check box when checked tells NVDA to announce the text and presentation information in the virtual buffer for a control, as it gets focus, rather than simply asking Windows for the control information. For example, tabbing to a link called "cats" will say "link cats" rather than "cats link" because in virtual buffers when arrowing around, the type is always said before the text. It may be desirable in certain cases then to not have this option enabled since this means the control will be announced in a some what better order. However, for some web browsers, you may get more accurate information announced when this is enabled.
Previous versions of NVDA allowed you to use the Virtual Buffer settings dialog to configure whether NVDA should announce the type of field that you entered while reading through web content. Examples of field types are links, headings, tables, and lists. To configure these, please find new options in the Document_Formatting_Settings dialog. These options now not only affect virtualBuffers, but any documents that may cause these types of fields to be announced.
This option allows focus mode to be invoked if focus changes. For example, when on a web page, if you press tab and you land on a form, if this option is checked, focus mode will automatically be invoked.
This option, when checked, allows NVDA to enter and leave focus mode when using arrow keys. For example, if arrowing down a webpage and you land on an edit box, NVDA will automatically bring you into focus mode. If you arrow out of the edit box, NVDA will put you back in browse mode.
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