diff --git a/script/test/otf_test.py b/script/test/otf_test.py
index 1d4acf3..14b8978 100644
--- a/script/test/otf_test.py
+++ b/script/test/otf_test.py
@@ -15,10 +15,10 @@ while loop_count < nr_loops:
      '''
 
 #'''    repeating scans
-nr_loops=10
+nr_loops=5
 loop_count = 0
 while loop_count < nr_loops:
-    otf(start=480, end=510, time=5, delay=5, mode='LINEAR', alpha = 0.0, offset=0.0, name='pshell-test')
+    otf(start=520, end=570, time=5, delay=5, mode='LINEAR', alpha = 0.0, offset=0.0, name='pshell-test')
     loop_count = loop_count + 1
 
 #     '''
\ No newline at end of file