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7    <title>SetAutoExposure</title>
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10    <h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/camera/Overview.html">camera</a>::<a href="../../../nn/camera/CTR/Overview.html">CTR</a>::SetAutoExposure</CODE> Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14<a href="../../../nn/Result/Overview.html">nn::Result</a> SetAutoExposure(
15     <a href="../../../nn/camera/CTR/CameraSelect.html">CameraSelect</a> select,
16     bool on
17);
18</pre>
19    </div>
20    <h2>Parameters</h2>
21    <div class="section">
22      <table class="arguments">
23        <thead>
24          <tr>
25            <td width="15" />
26            <th>Name</th>
27            <td>Description</td>
28          </tr>
29        </thead>
30        <tr>
31          <td>in</td>
32          <th>select</th>
33          <td>Specifies which camera to change settings for.</td>
34        </tr>
35        <tr>
36          <td>in</td>
37          <th>on</th>
38<td>Specify <CODE>TRUE</CODE> to enable this function. Specify <CODE>FALSE</CODE> to disable this function.</td>
39        </tr> </table>
40    </div>
41    <h2>Return Values</h2>
42    <div class="section">Returns the function's execution result. Returns one of the <a href="../../../nn/Result/Overview.html"><CODE>Result</CODE></A> values listed below. <br />
43      <table class="arguments">
44        <thead>
45          <tr>
46            <th>Value</th>
47            <td>Description</td>
48          </tr>
49        </thead>
50        <tr>
51          <th><CODE>Result::IsSuccess</CODE></th>
52          <td>Process was successful.</td>
53        </tr>
54        <tr>
55          <th><CODE>ResultIsSleeping</CODE></th>
56          <td>This function is unusable because the system cover is closed.</td>
57        </tr>
58        <tr>
59          <th><CODE>ResultFatalError</CODE></th>
60          <td>There may be something physically wrong with the camera.</td>
61        </tr>
62      </table> </div>
63    <h2>Description</h2>
64    <div class="section">
65<p>Enables or disables the auto exposure function.</p><P>We recommend enabling this feature when starting a camera, because the exposure value is undefined immediately after a camera is started with the <CODE><a href="../../../nn/camera/CTR/Activate.html">nn::camera::CTR::Activate</a></CODE> function.
66            </P><P>
67                The default value is <CODE>true</CODE> for all cameras.
68            </P><p><B>Note:</B> This function may block for an extended period if a camera is restarting.</p></div>
69    <h2>Revision History</h2>
70    <div class="section">
71      <dl class="history">
72        <dt>2010/07/17</dt>
73        <dd>Added explanation about operation during restart.
74        </dd>
75        <dt>2010/04/14</dt>
76        <dd>Added a description of the default values.<br />
77        </dd>
78        <dt>2010/04/09</dt>
79        <dd>Added description text.<br />
80        </dd>
81        <dt>2010/02/02</dt>
82        <dd>Initial version.<br />
83        </dd>
84      </dl>
85    </div>
86  <hr><p>CONFIDENTIAL</p></body>
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