Index: /trunk/FACT++/src/ratescan.cc
===================================================================
--- /trunk/FACT++/src/ratescan.cc	(revision 13255)
+++ /trunk/FACT++/src/ratescan.cc	(revision 13256)
@@ -445,5 +445,12 @@
         fFTM("FTM_CONTROL/STATE",       (void*)NULL, 0, this),
         fRates("FTM_CONTROL/TRIGGER_RATES", (void*)NULL, 0, this),
-        fDimData("RATE_SCAN/DATA", "X:1;I:1;F:1;F:1;F:1;F:40;F:160", ""),
+        fDimData("RATE_SCAN/DATA", "X:1;I:1;F:1;F:1;F:1;F:40;F:160",
+                 "|Id[s]:Start time used to identify measurement (UnixTime)"
+                 "|Threshold[dac]:Threshold in DAC counts"
+                 "|ElapsedTime[s]:Real elapsed time"
+                 "|RelOnTime[ratio]:Relative on time"
+                 "|TriggerRate[Hz]:Camera trigger rate"
+                 "|BoardRate[Hz]:Board trigger rates"
+                 "|PatchRate[Hz]:Patch trigger rates"),
         fDimProc("RATE_SCAN/PROCESS_DATA", "I:1;I:1;I:1",
                  "Rate scan process data"