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			Change display options
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				Change display options
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				<div><ol><li><span>
                              
                              Open the Emulator tab by doing one of the
following:</span><ul><li>
                                 <p>From Adobe Device Central,
select File&#160;&gt; Open, navigate to a file, and double-click the
file.</p>

                              </li>
<li>
                                 <p>In a supported Adobe application, open a file and
select Control&#160;&gt; Test Movie.</p>

                              </li>
</ul>
</li>
<li><span>On the Adobe Device Central Emulator tab,
expand the Display panel. </span></li>
<li><span>Change the following options as necessary:</span></li>
</ol>
<div class="section">
                        <div class="p">
                           <dl><dt class="dlterm">Backlight</dt>
<dd>
                                    
                                       
                                       
                                        The
Backlight slider lets you decrease the brightness of the backlight as
it would normally do when going into sleep mode. Some mobile device
users also purposely lower their backlight brightness to save battery
power. When designing mobile content, check if the content is visible
with low backlight. (If you change the backlight settings, the settings
stay in place as you open different devices for testing on the Emulator
tab.)<div class="note"><span class="notetitle">Note:  </span>If the Timeout function is enabled, the Backlight slider
is disabled. To enable the Backlight slider, turn the Timeout option
off.</div>

                                    
                                 </dd><p class="dlseparator"></p><dt class="dlterm">Timeout</dt>
<dd>
                                    
                                       Lets you
automatically test the time‑out function. The default is unchecked.
Checking this option enables the backlight time‑out function. In
the text fields, set how many seconds before the backlight times
out. The default setting is four seconds. Like on the actual device,
after the backlight goes out because of inactivity on the device,
it turns on again as soon as activity resumes. To ignore any time‑out
settings while you test, deselect the check box again.
                                 </dd><p class="dlseparator"></p><dt class="dlterm">Contrast</dt>
<dd>
                                    
                                       Lets you
change the display contrast to test the visual appearance of the
contents under different contrast conditions. Defaults to 0 with
a range of 100 to ‑100.
                                 </dd><p class="dlseparator"></p><dt class="dlterm">Gamma</dt>
<dd>
                                    
                                       Lets you change
the display gamma to test the visual appearance of the contents
with different gamma conditions. Defaults to 0 with a range of 100
to ‑100.
                                 </dd><p class="dlseparator"></p><dt class="dlterm">Reflections</dt>
<dd>
                                    
                                        Lets
you simulate different environmental conditions in which to test
the visual appearance of your content.
                                 </dd><p class="dlseparator"></p></dl>

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