diff --git a/robot/MXLAB/Controller1/usr/configs/controller.cfx b/robot/MXLAB/Controller1/usr/configs/controller.cfx
index d8198c8..2668615 100644
--- a/robot/MXLAB/Controller1/usr/configs/controller.cfx
+++ b/robot/MXLAB/Controller1/usr/configs/controller.cfx
@@ -33,5 +33,5 @@
   <Float name="powerShutdownDelay" value="-1" />
   <String name="standardFiles" value="" />
   <Float name="lliCycleTime" value="-1" />
-  <Float name="powerHourCount" value="363.018066" />
+  <Float name="powerHourCount" value="670.456846" />
 </controller>
\ No newline at end of file
diff --git a/script/ExposureScan.py b/script/ExposureScan.py
index ae3c68b..dfec60b 100644
--- a/script/ExposureScan.py
+++ b/script/ExposureScan.py
@@ -12,15 +12,18 @@ class Contrast(Readable):
     def read(self):
         data = img.getData()
         #roi = Data(data.getRectSelection(500,300,700,600), False)
-        return data.getGradientVariance(False, Rectangle(500,300,700,600))
+        return data.getGradientVariance(False, Rectangle(480,0,600,670))
 contrast=Contrast()
 
 
 #a= lscan(exposure,img.getContrast(), 0.5, 1.0, 0.01, 0.5)
 #a= lscan(exposure,contrast, 0.2, 0.4, 0.01, 0.7)
-a= lscan(exposure,contrast, 10.0, 500.0, 10.0, 0.7)
+a= lscan(exposure,contrast, 10.0, 250.0, 10.0, 0.7)
 
 (n, m, s) = fit(a.getReadable(0), xdata=a.getPositions(0))
-if m is not None:
-    print "Setting exposure = ", m
-    exposure.write(m)
\ No newline at end of file
+if m is None:
+    m=max(a.getReadable(0))
+
+
+print "Setting exposure = ", m
+exposure.write(m)