diff --git a/script/RFscan/GunScan.py b/script/RFscan/GunScan.py
index 2963fff..53618b9 100644
--- a/script/RFscan/GunScan.py
+++ b/script/RFscan/GunScan.py
@@ -12,6 +12,9 @@ else:
     step  = args[2]
     nb    = int(args[3])
     lat   = args[4]
+
+disp = 0.32
+energy0 = 6.5
     
 phase =  ControlledVariable("Phase", "SINEG01-RSYS:SET-VSUM-PHASE-SIM", "SINEG01-RSYS:GET-VSUM-PHASE-SIM")
 phase.config.minValue   =-45.0
@@ -19,12 +22,12 @@ phase.config.maxValue   = 360.0
 phase.config.resolution = 0.5
 phase.initialize()
 
-#camtool = Camtool(url)
-#camtool.startPipeline(camera_name)
-#camtool.startReceiver()
-#x = camtool.getValue("x_fit_mean")
-x   =  Channel("SINEG01-RSYS:GET-VSUM-AMPLT-SIM", type = 'd', alias='Amplitude Readback')
-dx  =  Channel("SINEG01-RSYS:GET-KLY-POWER-SIM",  type = 'd', alias='Power Readback')
+camtool = Camtool(sflca:10000)
+camtool.startPipeline(camera_name)
+camtool.startReceiver()
+x = camtool.getValue("x_fit_mean")
+#x   =  Channel("SINEG01-RSYS:GET-VSUM-AMPLT-SIM", type = 'd', alias='Amplitude Readback')
+#dx  =  Channel("SINEG01-RSYS:GET-KLY-POWER-SIM",  type = 'd', alias='Power Readback')
 
 
 try: