diff --git a/slic/gui/daqpanels/scan.py b/slic/gui/daqpanels/scan.py
index ac01c22b2..5d3b178c6 100644
--- a/slic/gui/daqpanels/scan.py
+++ b/slic/gui/daqpanels/scan.py
@@ -1,6 +1,6 @@
 import wx
 
-from slic.utils import nice_arange, printed_exception
+from slic.utils import printed_exception
 from slic.utils.reprate import get_pvname_reprate
 
 from ..widgets import STRETCH, TwoButtons, StepsRangeEntry, LabeledMathEntry, LabeledFilenameEntry, make_filled_vbox, post_event
@@ -67,7 +67,7 @@ class ScanPanel(wx.Panel):
             post_event(wx.EVT_BUTTON, self.btn_go.btn2)
             return
 
-        start_pos, end_pos, step_size = self.adj_range.get_values()
+        steps = self.adj_range.get_values()
 
         filename = self.le_fname.GetValue()
 
@@ -84,7 +84,7 @@ class ScanPanel(wx.Panel):
         relative = self.cb_relative.GetValue()
         return_to_initial_values = self.cb_return.GetValue()
 
-        self.scan = self.scanner.scan1D(adjustable, start_pos, end_pos, step_size, n_pulses, filename, relative=relative, return_to_initial_values=return_to_initial_values, n_repeat=n_repeat, start_immediately=False)
+        self.scan = self.scanner.scan1D_seq(adjustable, steps, n_pulses, filename, relative=relative, return_to_initial_values=return_to_initial_values, n_repeat=n_repeat, start_immediately=False)
 
         def wait():
             with printed_exception:
diff --git a/slic/gui/daqpanels/scan2d.py b/slic/gui/daqpanels/scan2d.py
index 1bd3b74a2..45eab332a 100644
--- a/slic/gui/daqpanels/scan2d.py
+++ b/slic/gui/daqpanels/scan2d.py
@@ -1,6 +1,6 @@
 import wx
 
-from slic.utils import nice_arange, printed_exception
+from slic.utils import printed_exception
 from slic.utils.reprate import get_pvname_reprate
 
 from ..widgets import EXPANDING, MINIMIZED, STRETCH, TwoButtons, StepsRangeEntry, LabeledMathEntry, LabeledFilenameEntry, make_filled_vbox, post_event
@@ -59,8 +59,8 @@ class Scan2DPanel(wx.Panel):
             post_event(wx.EVT_BUTTON, self.btn_go.btn2)
             return
 
-        start_pos1, end_pos1, step_size1 = self.adjbox1.adj_range.get_values()
-        start_pos2, end_pos2, step_size2 = self.adjbox2.adj_range.get_values()
+        steps1 = self.adjbox1.adj_range.get_values()
+        steps2 = self.adjbox2.adj_range.get_values()
 
         filename = self.le_fname.GetValue()
 
@@ -78,11 +78,11 @@ class Scan2DPanel(wx.Panel):
         relative2 = self.adjbox2.cb_relative.GetValue()
         return_to_initial_values = self.cb_return.GetValue()
 
-        self.scan = self.scanner.scan2D(
-            adjustable1, start_pos1, end_pos1, step_size1, 
-            adjustable2, start_pos2, end_pos2, step_size2, 
-            n_pulses, filename, 
-            relative1=relative1, relative2=relative2, 
+        self.scan = self.scanner.scan2D_seq(
+            adjustable1, steps1,
+            adjustable2, steps2,
+            n_pulses, filename,
+            relative1=relative1, relative2=relative2,
             return_to_initial_values=return_to_initial_values, n_repeat=n_repeat, start_immediately=False
         )
 
diff --git a/slic/gui/widgets/entries.py b/slic/gui/widgets/entries.py
index ad5f10846..d5d69cd4f 100644
--- a/slic/gui/widgets/entries.py
+++ b/slic/gui/widgets/entries.py
@@ -26,6 +26,8 @@ class StepsRangeEntry(wx.BoxSizer):
     def __init__(self, parent):
         super().__init__(wx.HORIZONTAL)
 
+        self.steps = None
+
         self.start  = start  = LabeledMathEntry(parent, label="Start",     value=0)
         self.stop   = stop   = LabeledMathEntry(parent, label="Stop",      value=10)
         self.step   = step   = LabeledMathEntry(parent, label="Step Size", value=0.1)
@@ -46,7 +48,9 @@ class StepsRangeEntry(wx.BoxSizer):
     def on_change(self, _event):
         try:
             try:
-                start_pos, end_pos, step_size = self.get_values()
+                start_pos = self.start.GetValue()
+                end_pos   = self.stop.GetValue()
+                step_size = self.step.GetValue()
             except:
                 raise ValueError
             else:
@@ -58,7 +62,7 @@ class StepsRangeEntry(wx.BoxSizer):
             nsteps = ""
             tooltip = "Start, Stop and Step Size need to be floats.\nStep Size cannot be zero."
         else:
-            steps = nice_arange(start_pos, end_pos, step_size)
+            self.steps = steps = nice_arange(start_pos, end_pos, step_size)
             nsteps = str(len(steps))
             tooltip = str(steps)
         self.nsteps.SetValue(nsteps)
@@ -66,10 +70,7 @@ class StepsRangeEntry(wx.BoxSizer):
 
 
     def get_values(self):
-        start_pos = self.start.GetValue()
-        end_pos   = self.stop.GetValue()
-        step_size = self.step.GetValue()
-        return start_pos, end_pos, step_size
+        return self.steps