Index: /trunk/FACT++/src/feedback.cc
===================================================================
--- /trunk/FACT++/src/feedback.cc	(revision 12989)
+++ /trunk/FACT++/src/feedback.cc	(revision 12990)
@@ -542,5 +542,5 @@
 
         DimClient::sendCommandNB((char*)"BIAS_CONTROL/ADD_REFERENCE_VOLTAGES",
-                                 (void*)(vec.data()+416), 416*sizeof(float));
+                                 (void*)(vec.data()+nch), nch*sizeof(float));
     }
 
@@ -911,7 +911,15 @@
         fBiasData("FAD_CONTROL/FEEDBACK_DATA", (void*)NULL, 0, this),
         fCameraTemp("FSC_CONTROL/TEMPERATURE", (void*)NULL, 0, this),
-        fDimReference("FEEDBACK/REFERENCE", "F:416",        ""),
-        fDimDeviation("FEEDBACK/DEVIATION", "F:416;F:416",  ""),
-        fDimCalibration("FEEDBACK/CALIBRATION", "F:416;F:416",  ""),
+        fDimReference("FEEDBACK/REFERENCE", "F:416",
+                      "Amplitude reference value(s)"
+                      "Vref[mV]:Amplitude reference"),
+        fDimDeviation("FEEDBACK/DEVIATION", "F:416;F:416",
+                      "Control loop information"
+                      "|DeltaAmpl[mV]:Amplitude offset measures"
+                      "|DeltaBias[mV]:Correction value calculated"),
+        fDimCalibration("FEEDBACK/CALIBRATION", "F:416;F:416",
+                        "Current offsets"
+                        "|Avg[nA]:Average offset"
+                        "|Rms[nA]:Rms of offset"),
         fSP(416),
         fKp(0), fKi(0), fKd(0), fT(-1), fOutputEnabled(false)