diff --git a/script/ManipulatorFlyScan.py b/script/ManipulatorFlyScan.py
index 99f2f68b..78170a90 100644
--- a/script/ManipulatorFlyScan.py
+++ b/script/ManipulatorFlyScan.py
@@ -11,15 +11,14 @@ note that the motors have a limited speed range!
 import math
 
 MOTORS = (ManipulatorX)
-CENTER = -2.
-WIDTH = 8.
-#RANGE = (CENTER - WIDTH / 2., CENTER + WIDTH / 2.)
-RANGE = (-4.5, -0.5)
+CENTER = -2.5
+WIDTH = 4.
+RANGE = (CENTER - WIDTH / 2., CENTER + WIDTH / 2.)
 STEP = 0.05
 
 #MOTORS = (ManipulatorY)
 #RANGE = (-3.5, +3.5)
-#STEP = 0.05
+#STEP = 0.1
 
 # Z axis cannot be used in fly scan. minimum speed is too high.
 #MOTORS = (ManipulatorZ)