diff --git a/cpdctrl/led_script.py b/cpdctrl/led_script.py
index 48f8961..d38e9fe 100644
--- a/cpdctrl/led_script.py
+++ b/cpdctrl/led_script.py
@@ -109,9 +109,12 @@ class LedScript:
         bool
             Whether <t> is past the script length
         """
-        if t is None: t = time.time()
-        return t >= self.script["dtsum"][-1]
+        dt = self.get_dt(t)
+        return dt >= self.script["dtsum"][-1]
 
+    def get_dt(self, t: None|float=None) -> float:
+        if t is None: t = time.time()
+        return t - self.t_start
         
     def get_state(self, t: None|float=None) -> int:
         """
@@ -129,9 +132,7 @@ class LedScript:
         int
             LED Intensity [0,100]
         """
-        if t is None:
-            t = time.time()
-        dt = t - self.t_start
+        dt = self.get_dt(t)
         return self.get_relative_state(dt)
         
     def get_relative_state(self, dt: float) -> int:
diff --git a/cpdctrl/measurement.py b/cpdctrl/measurement.py
index 25b11fa..500e86b 100644
--- a/cpdctrl/measurement.py
+++ b/cpdctrl/measurement.py
@@ -134,6 +134,7 @@ def measure(
             t_iter_start = time.time()
             # 5) update LED
             if stop_on_script_end and led_script.is_done(t_iter_start):
+                if verbose: print("Reached script end")
                 break
             new_led_val = led_script.get_state(t_iter_start)
             if new_led_val != led_val: