Enhance usage guide formatting for multi-camera synchronization verification tool

docs/en/source/5_advanced_guide/multi_camera/multi_camera_synced_verification_tool.md

@@ -9,7 +9,7 @@ It can be used to validate frame alignment accuracy under the multi-camera **Pri
 
 ## Usage Guide
 
-1. **Modify `multi_camera_synced.launch.py` as follows**
+### **Modify `multi_camera_synced.launch.py` as follows**
 
    - Add `launch_include` to support four cameras.
 
@@ -35,7 +35,7 @@ It can be used to validate frame alignment accuracy under the multi-camera **Pri
 
 ---
 
-2. **Modify configuration files**
+### **Modify configuration files**
 
    Edit the following two files under the `config` directory:
 
@@ -51,7 +51,7 @@ It can be used to validate frame alignment accuracy under the multi-camera **Pri
 
 ---
 
-3. **Launch and Verification**
+### **Launch and Verification**
 
    - Start the multi-camera synchronization launch file:
 
@@ -65,7 +65,7 @@ It can be used to validate frame alignment accuracy under the multi-camera **Pri
 
 ---
 
-4. **Reference Launch File**
+### **Reference Launch File**
 
 ```
 import os
@@ -165,13 +165,13 @@ def generate_launch_description():
 
 ## System Configuration Requirements
 
-1. **Increase USB Buffer Memory**
+### **Increase USB Buffer Memory**
 
    Prevent frame drops caused by concurrent data transmission:
 
    `echo 512 | sudo tee /sys/module/usbcore/parameters/usbfs_memory_mb`
 
-2. **Configure Fast DDS**
+### **Configure Fast DDS**
 
    Optimize ROS2 node communication latency to reduce image transmission delay.
-   See [this section](../performance/fastdds_tuning.md) for detailed configuration instructions.**
+   See [this section](../performance/fastdds_tuning.md) for detailed configuration instructions.

docs/zh/source/5_advanced_guide/multi_camera/multi_camera_synced_verification_tool.md

@@ -9,7 +9,7 @@
 
 ## 使用教程
 
-1. **在 `multi_camera_synced.launch.py` 的基础上做以下修改**
+### **在 `multi_camera_synced.launch.py` 的基础上做以下修改**
 
    - 增加 `launch_include` 以适配 4 台相机
 
@@ -28,7 +28,7 @@
 
 ---
 
-2. **参数文件修改**
+### **参数文件修改**
 
    修改 `config` 目录下的以下两个配置文件：
 
@@ -44,7 +44,7 @@
 
 ---
 
-3. **启动与验证**
+### **启动与验证**
    - 启动多机同步 launch： `multi_camera_synced.launch.py`
 
    - 打开新终端运行同步验证节点： `ros2 run orbbec_camera image_sync_example_node`
@@ -52,7 +52,7 @@
 
 ---
 
-4. **参考 launch 文件**
+### **参考 launch 文件**
 
 ```
 import os
@@ -150,12 +150,12 @@ def generate_launch_description():
 
 ## 必要系统配置
 
-1. **提升 USB 缓冲区容量**
+### **提升 USB 缓冲区容量**
 
 ```
 echo 512 | sudo tee /sys/module/usbcore/parameters/usbfs_memory_mb
 ```
 
-2. **配置 Fast DDS**
+### **配置 Fast DDS**
 
 优化 ROS2 节点间通信延迟，可以有效减少图像传输延迟，[配置过程见此章节](../performance/fastdds_tuning.md)。