PDF文档问题

 

可访问权限标志

This error occurs when an author has the accessible PDF set to where it cannot be copied, printed, extracted, commented on, or edited for security reasons. 这可以 affect the way a screen reader will read 文档. 要修复此错误:

  1. 选择 文件 > 属性 > 安全.
  2. 选择 “No 安全” 从 安全 Method drop-down list.
  3. 点击 OK 关闭“文档属性”对话框.
仅PDF 

This error will occur when the software detects text, but not a font. 这可能是 because the text is within an image, and this is an image-only PDF. 要修复此错误:

  1. 选择 工具 > 增强扫描. 此工具集将出现在辅助窗口中.
  2. 在新的辅助窗口中,选择 识别文本 > 在此文件中.
  3. Select the pages you want to process for text, 文档 语言, and then click on 识别文本.

NOTE: We highly dissuade from using image-only PDFs. 请尝试制作pdf文件 基于文本的内容.

PDF标记

This error indicates that the PDF document you are viewing is not tagged to specify 正确的阅读顺序. 修复ing this problem can be done automatically in most cases, 但有些情况需要手动标记. 要修复此错误,请执行以下操作:

  1. 选择 工具 > 可访问性 > Autotag文档 在杂技演员. The Add Tags Report will appear 在 navigation pane is there are any 问题. This report will list any potential problems by page, provides a navigational link to each problem, and provides suggestions for fixing them.
逻辑读序

This error will appear on every accessibility check you make 在杂技演员. 这是因为 必须手动检查错误. 逻辑阅读顺序决定了屏幕如何显示 reading software will read the contents, as well as what order. 为了确认 this content is correct, make sure that the reading order displayed 在 Tags panel coincides with the logical reading order of 文档. 大多数时候,是Top 从左到右,从下到下. 读取顺序:

  1. 在右侧工具栏中,单击 阅读顺序. 这将导致打开一个辅助窗口.
  2. 在 secondary window, click Show Order 面板 在 bottom buttons. 这个会打开 a page-by-page layout of the pages reading order.
  3. Go through each page and verify that each item is 在 right order. 第一项 to be read 在 page will be represented by the number one, and so on.
  4. If you need to change the reading order, simply click and drag an item 在 left hand order menu to it’s appropriate spot 在 ordered list.
文档语言

Setting the 语言 of the PDF can help some screen readers switch to the appropriate 语言. This check determines whether or not the primary 语言 of the PDF has 设置. 它可以 be fixed both automatically and manually.

自动设置语言:

  1. Select 主要语言可访问性检查器 选项卡.
  2. 选择 修复选项 menu.
  3. 中选择一种语言 设置阅读语言 对话框,然后单击 OK.

 

Title

This error will occur when a PDF doesn’t have a title attached to the page. 它可以 be fixed automatically, but we recommend you fix this error manually, since when you fix it automatically, the Title it automatically places can be obscure and long. To 修复这个问题:

  1. 右击 Title 在可访问性检查器结果菜单中
  2. 点击 修复 从出现的菜单中
  3. When the dialogue box appears, uncheck the box under Title that says "Leave As Is". 这将使您能够访问Title文本框
  4. Type the appropriate title into the box, and click okay

Sometimes, when you click "修复", 文档 will automatically insert a Title into 文档. 检查文件的标题是否正确:

  1. 点击 文件
  2. 从这里,到 属性.
  3. 找有标签的盒子 Title
  4. From here, you can change the title to whatever you need.
  5. 完成后,单击 OK

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书签

This check will fail when a document has 21 or more pages, but doesn’t have bookmarks 与文档结构平行. 这可以通过添加书签来解决. 添加 书签:

  1. Select 书签可访问性检查器 面板.
  2. 选择 修复选项 menu
  3. 结构元素 dialog box, select the elements that you want to use as bookmarks, and click OK. You can hold down CTRL on your keyboard while you click to select multiple objects 从列表中.

We recommend choosing bookmarks that will add appropriate structure to your document (i.e不同层次的标题

颜色对比

这是一个必须手动检查的错误. 如果文档有任何彩色图像 or decoration, be sure that all text that may be incorporated on those images are the appropriate color contrast to the color of the image itself. 这很重要 对于那些可能患有色盲的人.

You can also guarantee all colors in your document are accessible. 要做到这一点:

  1. 选择 编辑 > 首选项 (Windows)或 杂技演员 > 首选项 (适用于Mac OS).
  2. 点击 可访问性.
  3. Select 替换文档颜色,然后选择“使用” 高对比度的颜色. 选择 the color combination you want 从 drop-down list, and click OK.