diff --git a/script/RFscan/SchottkyScan.py b/script/RFscan/SchottkyScan.py
index 5ebc29b..46ee476 100644
--- a/script/RFscan/SchottkyScan.py
+++ b/script/RFscan/SchottkyScan.py
@@ -4,9 +4,9 @@ import  ch.psi.pshell.epics.ChannelDouble as ChannelDouble
 dry_run = False
 
 if get_exec_pars().source == CommandSource.ui:
-    start   = -30.0
-    stop    = 30.0
-    step    = 1.0
+    start   = 50.0
+    stop    = 100.0
+    step    = 5.0
     nb      = 3
     lat     = 0.300
     plt     = None