Index: /trunk/BNC/bnc.qrc
===================================================================
--- /trunk/BNC/bnc.qrc	(revision 2437)
+++ /trunk/BNC/bnc.qrc	(revision 2438)
@@ -6,3 +6,6 @@
     <file>bncabout.html</file>
 </qresource>
+<qresource prefix="/bnchelp">
+    <file alias="screenshot01.png">IMG/screenshot01.png</file>
+</qresource>
 </RCC>
Index: /trunk/BNC/bnchelp.html
===================================================================
--- /trunk/BNC/bnchelp.html	(revision 2437)
+++ /trunk/BNC/bnchelp.html	(revision 2438)
@@ -48,4 +48,11 @@
 </ul>
 </p>
+
+<p>
+Fig. 1 shows a flow chart of BNC connected to a GNSS receiver via serial or TCP communication link.
+</p>
+<p><img src=":/bnchelp/screenshot01.png"/></p>
+</p>Fig. 1: BNC connected to a GNSS receiver.<p>
+
 <p>
 BNC supports decoding the following GNSS data formats:
@@ -59,4 +66,5 @@
 BNC allows to by-pass its decoding and conversion algorithms, leave whatever is received untouched and save it in files.
 </p>
+
 <p><a name="resources"><h3>2. Modes &amp; Resources</h3></p>
 <p>