diff --git a/script/Extreme.py b/script/Extreme.py
index 8a59485..19767b7 100644
--- a/script/Extreme.py
+++ b/script/Extreme.py
@@ -7,14 +7,14 @@ ENERGIES = (707.90, 703.90) #list of energies in eV
 MODE = 'CIRC +' #polarization (CIRC+ or CIRC-)
 OFFSET1 = 0.0 #ID1 offset
 OFFSET2 = 0.0 #ID2 offset
-FIELD_PRECISION = 0.01 #  in Amps
+FIELD_PRECISION = 0.1 #  in Amps
 ENERGY_CHANGE_SLEEP = 0.0 # put the Enerrgy settling time if needed
 FIELD_CHANGE_SLEEP =  0.0 # put the Field   settling time if needed
 
 # List of scans. Each scan is defined as: (start,stop, step)
 # to make a whole loop two scans are needed: [(B1, B2, BSTEP),(B2,B1,-BSTEP)]
 # to make half of a loop one scan is needed: [(B1, B2, BSTEP),]  <- don't forget to put comma before ]
-RANGES = [(B1, B2, BSTEP),(B2,B1,BSTEP)] 
+RANGES = [(B1, B2, -BSTEP),(B2,B1,BSTEP)] 
 
 
 #Pre-actions