diff -r 434d6b8a406d -r ca9e48af31e6 MiniDisplay/FutabaVfd.h
--- a/MiniDisplay/FutabaVfd.h	Fri May 30 13:45:14 2014 +0200
+++ b/MiniDisplay/FutabaVfd.h	Fri May 30 15:02:15 2014 +0200
@@ -159,7 +159,9 @@
 	void ToggleOffScreenMode();
     void SetOffScreenMode(bool aOn);
     bool OffScreenMode() const {return iOffScreenMode;}
-	//
+    void SetFrameDiffAlgo(bool aOn);
+    bool FrameDiffAlgo() const {return iUseFrameDiffAlgo;}
+    //
     bool RequestPending(){return iRequest!=ERequestNone;}
     Request CurrentRequest(){return iRequest;}
     void CancelRequest(){iRequest=ERequestNone;}
@@ -187,6 +189,8 @@
 	///Off screen mode is the recommended default settings to avoid tearing.
 	///Though turning it off can be useful for debugging
 	bool iOffScreenMode;
+    ///Frame differences algo is used to reduce USB bus traffic and improve frame rate in typical use case
+    bool iUseFrameDiffAlgo;
 	///
 	//FutabaVfdReport iReport;
 	///