diff --git a/script/KeithleyVoltageScan.py b/script/KeithleyVoltageScan.py
index 346cd1f7..3a3e1cad 100644
--- a/script/KeithleyVoltageScan.py
+++ b/script/KeithleyVoltageScan.py
@@ -5,9 +5,10 @@ Keithley voltage scan
 
 POSITIONERS = (Keithley2Voltage)
 SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution, Scienta.dataMatrix)
-POSITIONS = (25.,-30.)
-STEPS = -0.55
+POSITIONS = (-2,2)
+STEPS = 0.25
 LATENCY = 1.0
+
 RELATIVE = False
 
 adjust_sensors()