diff --git a/LP_scan.sh b/LP_scan.sh
new file mode 100644
index 0000000..23e6516
--- /dev/null
+++ b/LP_scan.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+cmda="/afs/psi.ch/project/sls_det_software/bin/laserClient64 fsetval fwheel_a"
+cmdb="/afs/psi.ch/project/sls_det_software/bin/laserClient64 fsetval fwheel_b"
+cmdc="/afs/psi.ch/project/sls_det_software/bin/laserClient64 fsetval fwheel_c"
+
+
+
+frames=25
+#sls_detector_put reg 0x44 0x403f
+# was 0x413f
+
+sls_detector_put reg 0x5d  0xf00
+sls_detector_put period 0.01 
+sls_detector_put status stop
+
+sls_detector_put frames 2000 
+#for pedstal only
+
+
+sls_detector_put exptime 0.000010
+
+
+
+sls_detector_put status start 
+sleep 25
+
+# set this for gain 1 pedestal
+sls_detector_put reg 0x5d  0x1f00
+sls_detector_put status start 
+sleep 25
+# set this for gain 2 pedestal
+sls_detector_put reg 0x5d  0x3f00
+sls_detector_put status start 
+sleep 25
+
+# put back
+sls_detector_put reg 0x5d  0xf00
+
+sls_detector_put frames $frames 
+
+echo "=======================PUT OUTPUT ON=========================="
+sleep 5
+
+for ii in {1..66}
+do 
+    echo "step" $ii
+    index=0
+
+    for vb in "5.000000" "4.000000" "3.000000" "2.000000" "1.000000" "0.000000"
+    do
+	vc="0.500000"
+	
+
+	for va in  "0.400000" "0.300000" "0.200000" "0.100000" 
+
+	do
+	    
+	    index=$(($index + 1))
+	    # echo "in first loop" $index 
+	    if [ "$ii" = "$index" ]; then
+		
+		$eval $cmda $va
+		$eval $cmdb $vb
+		$eval $cmdc $vc
+		echo "Awheels :" $va $vb $vc
+		sleep 5
+		sls_detector_put status start 
+		sleep 1
+		
+	    fi
+	done
+
+	
+	va="0.000000"
+
+	for vc in "0.500000" "0.400000" "0.300000" "0.200000" "0.100000" "0.000000"
+	do
+
+	    index=$(($index + 1))
+	    #echo "in second loop" $index 
+	    if [ "$ii" = "$index" ]; then
+		
+		$eval $cmda $va
+		$eval $cmdb $vb
+		$eval $cmdc $vc
+		echo  "Bwheels :" $va $vb $vc
+		sleep 5
+		sls_detector_put status start 
+		sleep 1
+
+	    fi
+
+	done
+
+
+    done
+
+done 
+
+
+sls_detector_put frames 200000