diff --git a/script/test/otf_test.py b/script/test/otf_test.py
index 3252272..9ee6731 100644
--- a/script/test/otf_test.py
+++ b/script/test/otf_test.py
@@ -5,4 +5,4 @@
 
 
 
-otf(start=400, end=600, time=5, delay=5.0, mode='LINEAR', alpha = 0.0, offset=0.0, name='pshell-test')
+otf(start=480, end=510, time=5, delay=5.0, mode='LINEAR', alpha = 0.0, offset=0.0, name='pshell-test')