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<div class="trails" role="navigation"><div class="trail">
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<span style="color: #333">Ubuntu 21.10</span> » <a class="trail" href="index.html.fa" title="راهنمای میزکار اوبونتو"><span class="media"><span class="media media-image"><img src="figures/ubuntu-logo.png" height="16" width="16" class="media media-inline" alt="Help"></span></span> راهنمای میزکار اوبونتو</a> » <a class="trail" href="a11y.html.fa" title="دسترسی‌پذیری">دسترسی‌پذیری</a> › <a class="trail" href="a11y.html.fa#vision" title="اختلالات بینایی">اختلالات بینایی</a> » </div></div>
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<div id="cwt-content" class="clearfix content-area"><div id="page">
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<div class="hgroup pagewide"><h1 class="title"><span class="title">بزرگنمایی ناحیه‌ای از صفحه</span></h1></div>
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<div class="contents pagewide">
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<p class="p">Magnifying the screen is different than just enlarging the
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<span class="link"><a href="a11y-font-size.html.fa" title="تغییر اندازهٔ متن روی صفحه">text size</a></span>. This feature is like having a
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magnifying glass, allowing you to move around by zooming in on parts of the
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<div class="steps"><div class="inner"><div class="region"><ol class="steps">
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<li class="steps"><p class="p">Open the <span class="gui"><a href="shell-introduction.html.fa#activities" title="نمای کلّی فعّالیت‌ها">Activities</a></span> overview and
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start typing <span class="gui">Accessibility</span>.</p></li>
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<li class="steps"><p class="p">برای باز کردن پانل، بر روی <span class="gui"> دسترسی‌پذیری</span> کلیک کنید.</p></li>
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<li class="steps"><p class="p"><span class="gui"> بزرگنمایی </span> را در بخش <span class="gui"> مشاهده </span> فشار دهید.</p></li>
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<li class="steps"><p class="p">کلید <span class="gui"> بزرگنمایی </span> را در گوشه بالا سمت راست پنجره <span class="gui"> گزینه‌های بزرگنمایی </span> روشن کنید.</p></li>
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</ol></div></div></div>
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<p class="p">You can now move around the screen area. By moving your mouse to the edges
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of the screen, you will move the magnified area in different directions,
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allowing you to view your area of choice.</p>
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<div class="note note-tip" title="نکته">
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<svg width="24" height="24" version="1.1">
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<path class="yelp-svg-fill" d="m12 2c-3.8541 0-7 3.1459-7 7 0 1.823 0.4945 3.139 1.1641 4.133 0.6695 0.994 1.4328 1.671 2.039 2.471 0.0882 0.116 0.1749 0.656 0.2071 1.32 0.016 0.332 0.0133 0.68 0.1894 1.119 0.0881 0.22 0.2439 0.478 0.5059 0.672 0.2619 0.194 0.6028 0.285 0.8945 0.285h4c0.583 0 1.204-0.478 1.402-0.908 0.199-0.43 0.217-0.793 0.244-1.137 0.056-0.688 0.138-1.319 0.211-1.441 0.549-0.916 1.304-2.009 1.94-3.114 0.636-1.104 1.203-2.199 1.203-3.4 0-3.8541-3.146-7-7-7zm0 2c2.773 0 5 2.2267 5 5 0 0.456-0.359 1.401-0.936 2.402-0.111 0.195-0.246 0.399-0.369 0.598h-7.8825c-0.4871-0.728-0.8125-1.519-0.8125-3 0-2.7733 2.2267-5 5-5z" style="block-progression:tb;color-rendering:auto;color:#000000;image-rendering:auto;isolation:auto;mix-blend-mode:normal;shape-rendering:auto;solid-color:#000000;text-decoration-color:#000000;text-decoration-line:none;text-decoration-style:solid;text-indent:0;text-transform:none;white-space:normal"></path>
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<path class="yelp-svg-fill" d="m9 20a0.5 0.5 0 0 0-0.5 0.5 0.5 0.5 0 0 0 0.5 0.5h6a0.5 0.5 0 0 0 0.5-0.5 0.5 0.5 0 0 0-0.5-0.5h-6zm0 2a0.5 0.5 0 0 0-0.5 0.5 0.5 0.5 0 0 0 0.5 0.5h6a0.5 0.5 0 0 0 0.5-0.5 0.5 0.5 0 0 0-0.5-0.5h-6z"></path>
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</svg><div class="inner"><div class="region"><div class="contents"><p class="p">You can quickly turn zoom on and off by clicking the
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<span class="link"><a href="a11y-icon.html.fa" title="یافتن فهرست دسترسی‌پذیری">accessibility icon</a></span> on the top bar and
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selecting <span class="gui">Zoom</span>.</p></div></div></div>
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<p class="p">You can change the magnification factor, the mouse tracking, and the
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position of the magnified view on the screen. Adjust these in the
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<span class="gui">Magnifier</span> tab of the <span class="gui">Zoom Options</span> window.</p>
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<p class="p">You can activate crosshairs to help you find the mouse or touchpad
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pointer. Switch them on and adjust their length, color, and thickness in the
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<span class="gui">Crosshairs</span> tab of the <span class="gui">Zoom</span> settings window.</p>
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<p class="p">You can switch to inverse video or <span class="gui">White on black</span>, and adjust
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brightness, contrast and greyscale options for the magnifier. The combination
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of these options is useful for people with low-vision, any degree of
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photophobia, or just for using the computer under adverse lighting
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conditions. Select the <span class="gui">Color Effects</span> tab in the <span class="gui">Zoom</span>
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settings window to enable and change these options.</p>
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<section class="links" role="navigation"><div class="inner">
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<div class="hgroup pagewide"></div>
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<div class="contents pagewide"><div class="links guidelinks"><div class="inner">
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<div class="title"><h2><span class="title">اطّلاعات بیش‌تر</span></h2></div>
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<div class="region"><ul><li class="links "><a href="a11y.html.fa#vision" title="اختلالات بینایی">اختلالات بینایی</a></li></ul></div>
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<p style="padding-bottom: 0.4em">You can choose the <b>displayed language</b> by adding a language suffix to the web address so it ends with e.g. <tt>.html.en</tt> or <tt>.html.de</tt>.<br>
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If the web address has no language suffix, the preferred language specified in your web browser's settings is used. For your convenience:<br>
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[ <a title="English page version" href="#" onClick="englishPageVersion();">Change to English Language</a> |
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<a title="Language selected by browser" href="#" onClick="browserPreferredLanguage()">Change to Browser's Preferred Language</a> ]</p>
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<p>The material in this document is available under a free license, see <a href="../../legal.html">Legal</a> for details.<br>
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For information on contributing see the <a href="https://wiki.ubuntu.com/DocumentationTeam">Ubuntu Documentation Team wiki page</a>.
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To report errors in this documentation, <a href="https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs">file a bug</a>.</p>
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