diff --git a/script/optics/PhotonFluxSpectrum.py b/script/optics/PhotonFluxSpectrum.py
index 195dc408..528e5d03 100644
--- a/script/optics/PhotonFluxSpectrum.py
+++ b/script/optics/PhotonFluxSpectrum.py
@@ -27,9 +27,9 @@ elif RANGE == "G1200 full":
     DWELL = 1.0
 elif RANGE == "C K-edge":
     # carbon edge
-    STARTPOS = (270.0)
-    ENDPOS = (310.0)
-    STEPS = 0.5
+    STARTPOS = (250.0)
+    ENDPOS = (330.0)
+    STEPS = 0.2
     LATENCY = 1.0
     DWELL = 1.0
 
@@ -79,18 +79,14 @@ else:
 def trig():
     time.sleep(LATENCY)
     wait_beam()
-    print time.asctime() + "init"
     caput(KEI_DIODE + "DOINIT", 1)
     caput(KEI_RMU + "DOINIT", 1)
-    print time.asctime() + "trigger"
     caput(KEI_DIODE + "DOTRIGGER", 1)
     caput(KEI_RMU + "DOTRIGGER", 1)
     caput("X03DA-OP-10ADC:TRG.PROC", 1)
     time.sleep(DWELL)
-    print time.asctime() + "fetch"
     caput(KEI_DIODE + "DOFETCH", 1)
     caput(KEI_RMU + "DOFETCH", 1)
-    print time.asctime() + "done"
 
 value = DWELL * 10.0
 SampleCurrentAveraging.write(value)