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<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="task a11y" id="a11y-contrast" xml:lang="zh-CN">

  <info>
    <link type="guide" xref="a11y#vision" group="lowvision"/>

    <revision pkgversion="3.7.1" date="2012-11-16" status="outdated"/>
    <revision pkgversion="3.9.92" date="2013-09-18" status="candidate"/>
    <revision pkgversion="3.13.92" date="2013-09-20" status="final"/>
    <revision pkgversion="3.18" date="2015-09-28" status="final"/>
    <revision pkgversion="3.33.3" date="2019-07-21" status="final"/>

    <include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>

    <credit type="author">
      <name>Shaun McCance</name>
      <email>shaunm@gnome.org</email>
    </credit>
    <credit type="editor">
      <name>Michael Hill</name>
      <email>mdhillca@gmail.com</email>
    </credit>
    <credit type="editor">
      <name>Ekaterina Gerasimova</name>
      <email>kittykat3756@gmail.com</email>
    </credit>

    <desc>让屏幕上的窗口和按钮更鲜明（或反之），以使其更易于分辨。</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>TeliuTe</mal:name>
      <mal:email>teliute@163.com</mal:email>
      <mal:years>2011, 2012</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>tuberry</mal:name>
      <mal:email>orzun@foxmail.com</mal:email>
      <mal:years>2021</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Victor_Trista</mal:name>
      <mal:email>ljlzjzm@hotmail.com</mal:email>
      <mal:years>2023</mal:years>
    </mal:credit>
  </info>

  <title>调整对比度</title>

  <p>您可以调整窗口和按钮的对比度以使其更易于分辨。这与更改整个屏幕的亮度不同；这只会改变<em>用户界面</em>的某些部分。</p>

  <steps>
    <item>
      <p>打开<gui xref="shell-introduction#activities">活动</gui>概览后输入<gui>辅助功能</gui>。</p>
    </item>
    <item>
      <p>点击<gui>辅助功能</gui>打开面板。</p>
    </item>
    <item>
      <p>选择 <gui>视觉</gui> 部分将其打开。</p>
    </item>
    <item>
      <p>切换<gui>高对比度</gui>开关为开启状态。</p>
    </item>
  </steps>

  <note style="tip">
    <title>快速开启和关闭高对比度功能</title>
    <p>您可以通过点击顶栏上的<link xref="a11y-icon">辅助功能图标</link>并选择<gui>高对比度</gui>来开启和关闭此功能。</p>
  </note>

</page>
