diff --git a/script/ManipulatorFlyScan.py b/script/ManipulatorFlyScan.py
index a706b905..9a8caa14 100644
--- a/script/ManipulatorFlyScan.py
+++ b/script/ManipulatorFlyScan.py
@@ -10,16 +10,16 @@ note that the motors have a limited speed range!
 
 import math
 
-#MOTORS = (ManipulatorX)
-#CENTER = -3.5
-#WIDTH = 4.
-#RANGE = (CENTER - WIDTH / 2., CENTER + WIDTH / 2.)
-#STEP = 0.02
-
-MOTORS = (ManipulatorY)
-RANGE = (-3.5, +3.5)
+MOTORS = (ManipulatorX)
+CENTER = -2.
+WIDTH = 8.
+RANGE = (CENTER - WIDTH / 2., CENTER + WIDTH / 2.)
 STEP = 0.05
 
+#MOTORS = (ManipulatorY)
+#RANGE = (-3.5, +3.5)
+#STEP = 0.05
+
 # Z axis cannot be used in fly scan. minimum speed is too high.
 #MOTORS = (ManipulatorZ)
 #RANGE = (112., 118.)