1 files changed, 7 insertions, 2 deletions
diff --git a/gr-qtgui/src/lib/WaterfallDisplayPlot.h b/gr-qtgui/src/lib/WaterfallDisplayPlot.h
index 71fb76aaf8..d5371a0379 100644
--- a/gr-qtgui/src/lib/WaterfallDisplayPlot.h
+++ b/gr-qtgui/src/lib/WaterfallDisplayPlot.h
@@ -18,11 +18,16 @@ public:
 
   void Reset();
 
-  void SetFrequencyRange(const double, const double, const double, const bool);
+  void SetFrequencyRange(const double, const double, 
+			 const double, const bool,
+			 const double units=1000.0, 
+			 const std::string &strunits = "kHz");
   double GetStartFrequency()const;
   double GetStopFrequency()const;
 
-  void PlotNewData(const double* dataPoints, const int64_t numDataPoints, const double timePerFFT, const timespec timestamp, const int droppedFrames);
+  void PlotNewData(const double* dataPoints, const int64_t numDataPoints,
+		   const double timePerFFT, const timespec timestamp,
+		   const int droppedFrames);
 
   void SetIntensityRange(const double minIntensity, const double maxIntensity);