diff --git a/script/test/otf_test.py b/script/test/otf_test.py
index 6500301..90d9fb8 100644
--- a/script/test/otf_test.py
+++ b/script/test/otf_test.py
@@ -1,3 +1,3 @@
 
 #otf(start=520, end=580, time=1, delay=2.0, mode='CIRC +', offset=-9.0, name='pshell-test')
-otf(start=520, end=570, time=3, delay=2.0, mode='LINEAR', alpha = 0.0, offset=0.0, name='pshell-test')
+otf(start=400, end=600, time=15, delay=2.0, mode='LINEAR', alpha = 0.0, offset=0.0, name='pshell-test')