Index: firmware/App/DDCommon.h
===================================================================
diff -u -rd741f651b63edc7695b2be2178c9e5c44aaed1f3 -r9102c5da21a15bdaf4bb3bc38795ceb064e3c443
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision d741f651b63edc7695b2be2178c9e5c44aaed1f3)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 9102c5da21a15bdaf4bb3bc38795ceb064e3c443)
@@ -49,32 +49,32 @@
 
 #pragma pack(push,1)
 
-/// Payload record structure for an HD versions message.
+/// Payload record structure for an TD versions message.
 typedef struct
 {
-    U08 major;                              ///< HD version major revision.
-    U08 minor;                              ///< HD version minor revision.
-    U08 micro;                              ///< HD version micro revision.
-    U16 build;                              ///< HD build version.
-    U08 fpgaId;                             ///< HD FPGA ID.
-    U08 fpgaMajor;                          ///< HD FPGA major revision.
-    U08 fpgaMinor;                          ///< HD FPGA minor revision.
-    U08 fpgaLab;                            ///< HD FPGA lab revision.
-    U32 compatibilityRev;                   ///< HD compatibility revision.
-} HD_VERSIONS_T;
+    U08 major;                              ///< TD version major revision.
+    U08 minor;                              ///< TD version minor revision.
+    U08 micro;                              ///< TD version micro revision.
+    U16 build;                              ///< TD build version.
+    U08 fpgaId;                             ///< TD FPGA ID.
+    U08 fpgaMajor;                          ///< TD FPGA major revision.
+    U08 fpgaMinor;                          ///< TD FPGA minor revision.
+    U08 fpgaLab;                            ///< TD FPGA lab revision.
+    U32 compatibilityRev;                   ///< TD compatibility revision.
+} TD_VERSIONS_T;
 
 /// DD version struct.
 typedef struct
 {
-    U08 major;                              ///< DG version major revision.
-    U08 minor;                              ///< DG version major revision.
-    U08 micro;                              ///< DG version micro revision.
-    U16 build;                              ///< DG build version.
-    U08 fpgaId;                             ///< DG FPGA ID.
-    U08 fpgaMajor;                          ///< DG FPGA major revision.
-    U08 fpgaMinor;                          ///< DG FPGA minor revision.
-    U08 fpgaLab;                            ///< DG FPGA lab revision.
-    U32 compatibilityRev;                   ///< DG compatibility revision.
+    U08 major;                              ///< DD version major revision.
+    U08 minor;                              ///< DD version major revision.
+    U08 micro;                              ///< DD version micro revision.
+    U16 build;                              ///< DD build version.
+    U08 fpgaId;                             ///< DD FPGA ID.
+    U08 fpgaMajor;                          ///< DD FPGA major revision.
+    U08 fpgaMinor;                          ///< DD FPGA minor revision.
+    U08 fpgaLab;                            ///< DD FPGA lab revision.
+    U32 compatibilityRev;                   ///< DD compatibility revision.
 } DD_VERSIONS_T;
 
 /// Record defining the fields in a UI version request message.