deploy: 5b841f43ca

en/_sources/source/8_FAQ/FAQ.md.txt

@@ -47,4 +47,18 @@ ros2 run orbbec_camera list_devices_node
 Then launch with the serial number explicitly set, for example:
 ```bash
 ros2 launch orbbec_camera femto_bolt.launch.py serial_number:=CL8H741005J
-```
+```
+
+### Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?
+
+Multi-camera systems place high demands on USB bandwidth and device initialization timing. If multiple camera streams are started or switched simultaneously, it may cause temporary bandwidth congestion, leading to device initialization failures, stream startup errors, or frame drops. To ensure system stability, the following practices are recommended:
+
+- **Multi-camera startup phase**
+
+  When starting multiple cameras, it is recommended to introduce an appropriate delay between each camera startup (e.g., **2 seconds**) to avoid instantaneous bandwidth overload or low-level device initialization conflicts.
+
+- **Stream enable/disable and mode switching phase**
+
+  When invoking stream control services (such as `set_streams_enable`, `toggle_depth`, and `toggle_color`), avoid triggering multiple service calls at the same time. Instead, introduce a reasonable interval between operations (e.g., **20 ms**) to ensure reliable stream state transitions.
+
+Following these timing control guidelines can significantly improve the stability of multi-camera systems during startup and runtime, reducing errors and unexpected behavior.

en/genindex.html

@@ -345,6 +345,7 @@
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -388,7 +389,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/index.html

@@ -347,6 +347,7 @@
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -539,6 +540,7 @@
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -556,7 +558,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/search.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -396,7 +397,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/1_overview/introduction.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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 </li>
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@@ -702,7 +703,7 @@ thead th {
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/1_overview/orbbecsdk_overview.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -572,7 +573,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/1_overview/overview.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -410,7 +411,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/2_installation/build_the_package.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -449,7 +450,7 @@ colcon<span class="w"> </span>build<span class="w"> </span>--event-handlers<span
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/2_installation/installation.html

@@ -348,6 +348,7 @@
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -411,7 +412,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/2_installation/registration_script.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -411,7 +412,7 @@ sudo<span class="w"> </span>udevadm<span class="w"> </span>control<span class="w
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/3_quickstarts/orbbecviewer.html

@@ -348,6 +348,7 @@
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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 </li>
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@@ -474,7 +475,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/3_quickstarts/quickstart.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/3_quickstarts/quickstarts.html

@@ -348,6 +348,7 @@
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -410,7 +411,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/4_application_guide/application_guide.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -436,7 +437,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
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en/source/4_application_guide/compressed_image.html

@@ -348,6 +348,7 @@
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -399,7 +400,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
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en/source/4_application_guide/coordinate_and_tf.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -726,7 +727,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
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en/source/4_application_guide/launch_parameters.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -1037,7 +1038,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
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en/source/4_application_guide/point_cloud.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/4_application_guide/services.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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en/source/4_application_guide/topics.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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   <div role="contentinfo">
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en/source/5_advanced_guide/advanced_guide.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -484,7 +485,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/5_advanced_guide/configuration/align_depth_color.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -428,7 +429,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/5_advanced_guide/configuration/configuration_of_depth_NFOV_and_WFOV_modes.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/5_advanced_guide/configuration/depth_work_mode_switch.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/5_advanced_guide/configuration/disparity_search_offset.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -484,7 +485,7 @@
 
   <div role="contentinfo">
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-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/5_advanced_guide/configuration/interleave_ae_mode.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -448,7 +449,7 @@
 
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-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/5_advanced_guide/configuration/net_camera.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
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en/source/5_advanced_guide/configuration/predefined_presets.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -435,7 +436,7 @@ parameter.</p>
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/5_advanced_guide/multi_camera/gmsl_camera.html

@@ -348,6 +348,7 @@
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@@ -455,7 +456,7 @@
 
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-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/5_advanced_guide/multi_camera/multi_camera.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -483,7 +484,7 @@ by running the following command:</p></li>
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
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en/source/5_advanced_guide/multi_camera/multi_camera_synced.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -471,7 +472,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/5_advanced_guide/multi_camera/multi_camera_synced_verification_tool.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -555,7 +556,7 @@ See <a class="reference internal" href="../performance/fastdds_tuning.html"><spa
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/5_advanced_guide/performance/efficient_intra_process_communication.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -425,7 +426,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/5_advanced_guide/performance/fastdds_tuning.html

@@ -348,6 +348,7 @@
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 <li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/5_advanced_guide/performance/lower_cpu_usage.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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 </li>
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@@ -583,7 +584,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
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en/source/6_benchmark/benchmark.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -416,7 +417,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/6_benchmark/benchmark_data.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -409,7 +410,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/6_benchmark/benchmark_usage.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -512,7 +513,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/6_benchmark/introduction.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -423,7 +424,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/6_benchmark/othertools.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -446,7 +447,7 @@ ros2<span class="w"> </span>run<span class="w"> </span>orbbec_camera<span class=
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/7_developer_guide/building_a_Debian_Package.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -430,7 +431,7 @@ bash<span class="w"> </span>.make_deb.sh
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/7_developer_guide/developer_guide.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -409,7 +410,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/7_developer_guide/migration_guide.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
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@@ -1225,7 +1226,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/8_FAQ/FAQ.html

@@ -347,6 +347,7 @@
 <li class="toctree-l2"><a class="reference internal" href="#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#why-are-there-so-many-launch-files">8.4. Why Are There So Many Launch Files?</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
 </ul>
 </li>
 </ul>
@@ -429,6 +430,19 @@
 </pre></div>
 </div>
 </section>
+<section id="why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">
+<h2><span class="section-number">8.6. </span>Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?<a class="headerlink" href="#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams" title="Link to this heading"></a></h2>
+<p>Multi-camera systems place high demands on USB bandwidth and device initialization timing. If multiple camera streams are started or switched simultaneously, it may cause temporary bandwidth congestion, leading to device initialization failures, stream startup errors, or frame drops. To ensure system stability, the following practices are recommended:</p>
+<ul>
+<li><p><strong>Multi-camera startup phase</strong></p>
+<p>When starting multiple cameras, it is recommended to introduce an appropriate delay between each camera startup (e.g., <strong>2 seconds</strong>) to avoid instantaneous bandwidth overload or low-level device initialization conflicts.</p>
+</li>
+<li><p><strong>Stream enable/disable and mode switching phase</strong></p>
+<p>When invoking stream control services (such as <code class="docutils literal notranslate"><span class="pre">set_streams_enable</span></code>, <code class="docutils literal notranslate"><span class="pre">toggle_depth</span></code>, and <code class="docutils literal notranslate"><span class="pre">toggle_color</span></code>), avoid triggering multiple service calls at the same time. Instead, introduce a reasonable interval between operations (e.g., <strong>20 ms</strong>) to ensure reliable stream state transitions.</p>
+</li>
+</ul>
+<p>Following these timing control guidelines can significantly improve the stability of multi-camera systems during startup and runtime, reducing errors and unexpected behavior.</p>
+</section>
 </section>
 
 
@@ -442,7 +456,7 @@
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

en/source/license.html

@@ -346,6 +346,7 @@
 <li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#additional-troubleshooting">8.3. Additional Troubleshooting</a></li>
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 <li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#how-to-launch-a-specific-camera-when-multiple-cameras-are-connected">8.5. How to Launch a Specific Camera When Multiple Cameras Are Connected</a></li>
+<li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#why-is-it-necessary-to-add-delays-when-starting-multiple-cameras-or-switching-streams">8.6. Why Is It Necessary to Add Delays When Starting Multiple Cameras or Switching Streams?</a></li>
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@@ -395,7 +396,7 @@ language governing permissions and limitations under the License.</p>
 
   <div role="contentinfo">
     <p>&#169; Copyright 2025, ORBBEC INC. www.orbbec.com..
-      <span class="lastupdated">Last updated on 2025-12-09 09:19:44.
+      <span class="lastupdated">Last updated on 2025-12-15 11:57:22.
       </span></p>
   </div>
 

zh/_sources/source/8_FAQ/FAQ.md.txt

@@ -48,3 +48,17 @@ ros2 run orbbec_camera list_devices_node
 ```bash
 ros2 launch orbbec_camera femto_bolt.launch.py serial_number:=CL8H741005J
 ```
+
+### 多相机启动或切换流时为什么需要设置延迟？
+
+多相机系统对带宽和设备初始化时序要求较高。如果在同一时间启动或切换多个相机流，可能会引发带宽瞬时拥塞，进而导致设备初始化失败、流启动异常或丢帧等问题。为确保系统稳定性，建议注意以下几点：
+
+- **多相机启动阶段**
+
+  在启动多个相机时，建议在每个相机启动之间增加适当的延迟（例如 **2s**），以避免瞬时带宽过载或底层设备初始化冲突。
+
+- **流开关与模式切换阶段**
+
+  在调用开关流相关服务（如 `set_streams_enable`、`toggle_depth`、`toggle_color`）时，不建议同时触发多个接口调用，应在各操作之间设置合理的时间间隔（例如 **20 ms**），以保证流状态切换的可靠性。
+
+遵循上述时序控制原则，有助于提升多相机系统在启动和运行过程中的稳定性，减少异常和不可预期行为的发生。

zh/genindex.html

@@ -346,6 +346,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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   <div role="contentinfo">
     <p>&#169; 版权所有 2025, 奥比中光科技集团股份有限公司 www.orbbec.com.。
-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>
 

zh/index.html

@@ -348,6 +348,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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@@ -557,7 +559,7 @@
 
   <div role="contentinfo">
     <p>&#169; 版权所有 2025, 奥比中光科技集团股份有限公司 www.orbbec.com.。
-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>
 

zh/search.html

@@ -349,6 +349,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="source/8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>
 

zh/source/1_overview/introduction.html

@@ -349,6 +349,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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@@ -702,7 +703,7 @@ thead th {
 
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-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
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zh/source/1_overview/orbbecsdk_overview.html

@@ -349,6 +349,7 @@
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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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@@ -573,7 +574,7 @@
 
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     <p>&#169; 版权所有 2025, 奥比中光科技集团股份有限公司 www.orbbec.com.。
-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>
 

zh/source/1_overview/overview.html

@@ -349,6 +349,7 @@
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zh/source/4_application_guide/point_cloud.html

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zh/source/5_advanced_guide/advanced_guide.html

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zh/source/6_benchmark/benchmark_usage.html

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+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
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zh/source/7_developer_guide/developer_guide.html

@@ -349,6 +349,7 @@
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+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
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zh/source/7_developer_guide/migration_guide.html

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 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#id5">8.4. 为什么有这么多启动文件？</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#id6">8.5. 多相机连接时如何指定启动某一个相机</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
 </ul>
 </li>
 </ul>
@@ -1226,7 +1227,7 @@
 
   <div role="contentinfo">
     <p>&#169; 版权所有 2025, 奥比中光科技集团股份有限公司 www.orbbec.com.。
-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>
 

zh/source/8_FAQ/FAQ.html

@@ -348,6 +348,7 @@
 <li class="toctree-l2"><a class="reference internal" href="#id4">8.3. 其他故障排除</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#id5">8.4. 为什么有这么多启动文件？</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#id6">8.5. 多相机连接时如何指定启动某一个相机</a></li>
+<li class="toctree-l2"><a class="reference internal" href="#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
 </ul>
 </li>
 </ul>
@@ -430,6 +431,19 @@
 </pre></div>
 </div>
 </section>
+<section id="id7">
+<h2><span class="section-number">8.6. </span>多相机启动或切换流时为什么需要设置延迟？<a class="headerlink" href="#id7" title="Link to this heading"></a></h2>
+<p>多相机系统对带宽和设备初始化时序要求较高。如果在同一时间启动或切换多个相机流，可能会引发带宽瞬时拥塞，进而导致设备初始化失败、流启动异常或丢帧等问题。为确保系统稳定性，建议注意以下几点：</p>
+<ul>
+<li><p><strong>多相机启动阶段</strong></p>
+<p>在启动多个相机时，建议在每个相机启动之间增加适当的延迟（例如 <strong>2s</strong>），以避免瞬时带宽过载或底层设备初始化冲突。</p>
+</li>
+<li><p><strong>流开关与模式切换阶段</strong></p>
+<p>在调用开关流相关服务（如 <code class="docutils literal notranslate"><span class="pre">set_streams_enable</span></code>、<code class="docutils literal notranslate"><span class="pre">toggle_depth</span></code>、<code class="docutils literal notranslate"><span class="pre">toggle_color</span></code>）时，不建议同时触发多个接口调用，应在各操作之间设置合理的时间间隔（例如 <strong>20 ms</strong>），以保证流状态切换的可靠性。</p>
+</li>
+</ul>
+<p>遵循上述时序控制原则，有助于提升多相机系统在启动和运行过程中的稳定性，减少异常和不可预期行为的发生。</p>
+</section>
 </section>
 
 
@@ -443,7 +457,7 @@
 
   <div role="contentinfo">
     <p>&#169; 版权所有 2025, 奥比中光科技集团股份有限公司 www.orbbec.com.。
-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>
 

zh/source/license.html

@@ -347,6 +347,7 @@
 <li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#id4">8.3. 其他故障排除</a></li>
 <li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#id5">8.4. 为什么有这么多启动文件？</a></li>
 <li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#id6">8.5. 多相机连接时如何指定启动某一个相机</a></li>
+<li class="toctree-l2"><a class="reference internal" href="8_FAQ/FAQ.html#id7">8.6. 多相机启动或切换流时为什么需要设置延迟？</a></li>
 </ul>
 </li>
 </ul>
@@ -396,7 +397,7 @@ language governing permissions and limitations under the License.</p>
 
   <div role="contentinfo">
     <p>&#169; 版权所有 2025, 奥比中光科技集团股份有限公司 www.orbbec.com.。
-      <span class="lastupdated">最后更新于 2025年12月09日 09:19:47.
+      <span class="lastupdated">最后更新于 2025年12月15日 11:57:25.
       </span></p>
   </div>