diff --git a/functions/modify_threshold.m b/functions/modify_threshold.m
index 4708a8d..9259a97 100644
--- a/functions/modify_threshold.m
+++ b/functions/modify_threshold.m
@@ -295,10 +295,10 @@ function update_sample_callback(thr)
                 plot(ax2,x,sample(x),'Linestyle','None',...
                     'Marker','o','MarkerSize',16,'HitTest','off');
             end
-            plot(ax2,sample,'color',[135 206 250]/255,'ButtonDownFcn',@button_dwn_fcn);
+            plot(ax2,sample,'color',[135 206 250]/255,'ButtonDownFcn',@(~,~) button_dwn_fcn(ax2,thr));
         end
         
-        function button_dwn_fcn(~,~)
+        function button_dwn_fcn(ax2,thr)
             p = get(ax2,'currentpoint');
             x_ = round(p(1,1));
             y_ = p(1,2);
diff --git a/panelcomponents/@WaveformSelection/WaveformSelection.m b/panelcomponents/@WaveformSelection/WaveformSelection.m
index 6895a17..d56d3df 100644
--- a/panelcomponents/@WaveformSelection/WaveformSelection.m
+++ b/panelcomponents/@WaveformSelection/WaveformSelection.m
@@ -84,7 +84,9 @@ function waveform_callback(obj)
             str = get(obj.ui_waveforms,'string');
             val = get(obj.ui_waveforms,'value');
             obj.gui.waveform = obj.gui.main_signal.waveforms.get('tag',str{val});
-            obj.show_panels(false);
+            if obj.gui.main_channel.plot_raw
+                obj.show_panels(false);
+            end
         end
         function export_waveform(obj)
             if isempty(obj.gui.waveform)
diff --git a/panelcomponents/AbsoluteTime.m b/panelcomponents/AbsoluteTime.m
new file mode 100644
index 0000000..766c5a5
--- /dev/null
+++ b/panelcomponents/AbsoluteTime.m
@@ -0,0 +1,32 @@
+classdef AbsoluteTime < PanelComponent
+    properties
+        ui_abstime
+    end
+    methods
+        function obj = AbsoluteTime(panel)
+            obj@PanelComponent(panel);
+            sc_addlistener(obj.gui,'sweep',@(~,~) obj.sweep_listener(),obj.uihandle);
+        end
+        function populate(obj,mgr)
+            mgr.newline(20);
+            obj.ui_abstime = mgr.add(sc_ctrl('text',[]),200);
+        end
+        function initialize(obj)
+            obj.sweep_listener();
+        end
+        function updated = update(obj)
+            obj.sweep_listener();
+            updated = update@PanelComponent(obj);
+        end
+    end
+    methods (Access=protected)
+        function sweep_listener(obj)
+            if numel(obj.gui.triggertimes) && numel(obj.gui.sweep) && obj.gui.sweep(1)<=numel(obj.gui.triggertimes)
+                time = obj.gui.triggertimes(obj.gui.sweep(1));
+                set(obj.ui_abstime,'string',sprintf('t = 0 => %g s',time));
+            else
+                set(obj.ui_abstime,'string','t = 0 => NA');
+            end 
+        end
+    end
+end
\ No newline at end of file
diff --git a/panels/@PlotPanel/PlotPanel.m b/panels/@PlotPanel/PlotPanel.m
index 53507ec..938a3ea 100644
--- a/panels/@PlotPanel/PlotPanel.m
+++ b/panels/@PlotPanel/PlotPanel.m
@@ -11,6 +11,7 @@
         function setup_components(obj)
             obj.gui_components.add(OffsetAtTime(obj));
             obj.gui_components.add(SweepOptions(obj));
+            obj.gui_components.add(AbsoluteTime(obj));
             obj.gui_components.add(ZoomOptions(obj));
             obj.gui_components.add(ThresholdOptions(obj));
             obj.gui_components.add(PlotMode(obj));
diff --git a/viewers/@SequenceViewer/set_file.m b/viewers/@SequenceViewer/set_file.m
index 0b6aa29..86188ba 100644
--- a/viewers/@SequenceViewer/set_file.m
+++ b/viewers/@SequenceViewer/set_file.m
@@ -5,7 +5,11 @@ function set_file(obj,file)
 end
 if ~isempty(file) && file.n
     if isempty(obj.sequence) || ~file.contains(obj.sequence)
+        if sc_contains(obj.file.values('tag'),'full')
+            obj.set_sequence(obj.file.get('tag','full'));
+        else
             obj.set_sequence(obj.file.get(1));
+        end
     end
 else
     obj.set_sequence([]);