diff --git a/devices/undulator.py b/devices/undulator.py
index eb1d296..28300b3 100644
--- a/devices/undulator.py
+++ b/devices/undulator.py
@@ -20,10 +20,12 @@ und_name_cal = "SATUN12-UIND030"
 
 class Undulators(Adjustable):
 
-    def __init__(self):
+    def __init__(self, scaled=True):
         super().__init__(name="Athos Undulators", units="eV")
         self.adjs = {name: Undulator(name) for name in und_names}
 
+        self.scaled = scaled
+
         self.convert = ConverterEK()
 
         a = self.adjs[und_name_cal]
@@ -39,13 +41,15 @@ class Undulators(Adjustable):
 
         ks_current = [a.get_current_value(readback=False) for a in self.adjs.values()]
 
-        ks_target = self.scale.K(value, ks_current)
-        print("scaled:   ", ks_target)
-        print()
+        if scaled:
+            header = "scaled:   "
+            ks_target = self.scale.K(value, ks_current)
+        else:
+            header = "all equal:"
+            ks_target = k * np.ones_like(ks_current)
 
-#        ks_target = k * np.ones_like(ks_current)
-#        print("all equal:", ks_target)
-#        print()
+        print(header, ks_target)
+        print()
 
         def change():
             #TODO: replace by set_all_target_values_and_wait when print not needed anymore