diff -r 7d89d719583e -r efa6ff02287c src/FutabaVfd.cpp
--- a/src/FutabaVfd.cpp	Thu May 22 14:57:11 2014 +0200
+++ b/src/FutabaVfd.cpp	Thu May 22 16:46:50 2014 +0200
@@ -239,11 +239,21 @@
     report[3]=0x5B; //Command ID
     report[4]=aDw;  //Specify our DW
     report[5]=aX;   //X coordinate of our DW top-left corner
-    report[5]=aY;   //Y coordinate of our DW top-left corner
+    report[6]=aY;   //Y coordinate of our DW top-left corner
     Write(report);
     }
 
 /**
+Change our display position within our buffer.
+*/
+void GP1212A01A::SetDisplayPosition(int aX, int aY)
+	{
+	//Specs apparently says both DW should remain the same
+	//Just don't ask
+    SetDisplayPosition(GP1212A01A::DW1,aX,aY);
+    SetDisplayPosition(GP1212A01A::DW2,aX,aY);
+	}
+/**
 */
 void GP1212A01A::RequestId()
     {