Update box-setup.md

Author: ligenxxxx

docs/box-setup.md

@@ -132,7 +132,7 @@ The AV input cable is not included. It is available on the [HDZero shop](http://
 <div style="display: flex; justify-content: space-around; text-align: center; gap: 20px;">
 
   <div style="flex: 1">
-    <img src="/boxmedia/image3.png" alt="FIG 1" style="height:180px; object-fit: contain;"><br>
+    <img src="/boxmedia/image4.png" alt="FIG 1" style="height:180px; object-fit: contain;"><br>
     FIG 1. AV input Jack
   </div>
 
@@ -142,7 +142,7 @@ The AV input cable is not included. It is available on the [HDZero shop](http://
   </div>
 
   <div style="flex: 1">
-    <img src="/boxmedia/image4.png" alt="FIG 3" style="height:180px; object-fit: contain;"><br>
+    <img src="/boxmedia/image3.png" alt="FIG 3" style="height:180px; object-fit: contain;"><br>
     FIG 3. Line In/Out Jack
   </div>
 
@@ -160,4 +160,4 @@ The HDZero BoxPro has a CTIA standard 3.5mm Line in/Line out jack for microphone
 
 ## Open Source
 
-The HDZero BoxPro is open source. You can find the SoC Firmware at [Github](https://github.com/hd-zero).
+The HDZero BoxPro is open source. You can find the SoC Firmware at [Github](https://github.com/hd-zero).