diff --git a/script/KeithleyVoltageScan.py b/script/KeithleyVoltageScan.py
index 07c14255..adc01a95 100644
--- a/script/KeithleyVoltageScan.py
+++ b/script/KeithleyVoltageScan.py
@@ -5,8 +5,9 @@ Keithley voltage scan
 
 POSITIONERS = (Keithley1Voltage)
 SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution, Scienta.dataMatrix,ManipulatorTempA)
-POSITIONS = (10,-10)
-STEPS = 1
+#POSITIONS = (10,-10)
+POSITIONS = [10, -10, 10,-10]
+#STEPS = 1
 LATENCY = 1.0