diff --git a/script/TestTimestampTable.py b/script/TestTimestampTable.py
index 07407c4..b560de7 100644
--- a/script/TestTimestampTable.py
+++ b/script/TestTimestampTable.py
@@ -9,7 +9,7 @@ def after(rec, scan):
     time_str = str(datetime.datetime.fromtimestamp(bpm6a.timestamp/1000.0))
     append_dataset(path, time_str , type = 's')
 
-mscan(bpm6a, bpm6a, 5, after_read = after)
+mscan(bpm6a, bpm6a, -1, 1000.0, after_read = after)
 #mscan(bpm6b, bpm6b, 5)
 
 #tscan(bpm6a, b5, 2.0)