diff --git a/script/ManipulatorFlyScan.py b/script/ManipulatorFlyScan.py
index c9a866fe..b07eb7db 100644
--- a/script/ManipulatorFlyScan.py
+++ b/script/ManipulatorFlyScan.py
@@ -11,9 +11,9 @@ note that the scienta has a dead time of 4 s!
 import math
 
 MOTORS = (ManipulatorX)
-RANGE = (-3.3-0.5, -3.3+0.5)
+RANGE = (-3.45-0.3, -3.45+0.3)
 ## minimum speed 0.02, maximum speed 0.125 mm/s
-STEP = 0.05
+STEP = 0.02
 #SPEED = 0.05
 
 #MOTORS = (ManipulatorY)