diff --git a/src/EEHGMaster.py b/src/EEHGMaster.py
index 0ddc802ea9f6ccb35bcd4e9c893face227672ee1..928c4a27dbed36f5e35842d32c747ab502c691b4 100755
--- a/src/EEHGMaster.py
+++ b/src/EEHGMaster.py
@@ -713,7 +713,7 @@ class EEHGMaster(Device):
         self._dlambda_s1 = 1.0
         self._lambda_s1or2_fix = True
         self._fl_s1 = True
-        self._waist_corr_s1 = float('Nan')
+        self._waist_corr_s1 = 1.0
         self._nrg_s1_fix = True
         self._dt_s1 = 200.0 #seed 1 pulse duration in fs
         self._nrg_s1 = float('Nan')
@@ -725,7 +725,7 @@ class EEHGMaster(Device):
         self._lambda_s2_curr = 255.0
         self._dlambda_s2 = 1.0
         self._fl_s2 = True
-        self._waist_corr_s2 = float('Nan')
+        self._waist_corr_s2 = 1.0
         self._dt_s2 = 100.0 #seed 2 pulse duration in fs
         self._nrg_s2 = float('Nan')
         self._nrg_s2_curr = 10.0
@@ -1529,6 +1529,7 @@ class EEHGMaster(Device):
     def write_waist_corr_s1(self, value):
         # PROTECTED REGION ID(EEHGMaster.waist_corr_s1_write) ENABLED START #
         """Set the waist_corr_s1 attribute."""
+        self._waist_corr_s1 = value
         pass
         # PROTECTED REGION END #    //  EEHGMaster.waist_corr_s1_write
 
@@ -1786,7 +1787,7 @@ class EEHGMaster(Device):
         mod2 = utl.Undulator(lw = 0.113, lung = 1.469, helical = False, aw = 1.0)
 
         seed1 = utl.Laser(wl = self._lambda_s1_curr * 1e-9, bdw = self._dlambda_s1*1.0e-9,
-                           nrg = self._nrg_s1_curr * 1e-6, waist = self._waist_s1 * 1e-3,
+                           nrg = self._nrg_s1_curr * 1e-6, waist = self._waist_s1 * self._waist_corr_s1 * 1e-3,
                             wl_range = [self._lambda_s1_curr * 1e-9, self._lambda_s1_curr * 1e-9])
 #                            wl_range matenuto fisso attorno al seed attuale
 #                            wl_range = [self.lambda_s1.get_properties().min_value * 1e-9,
@@ -1802,7 +1803,7 @@ class EEHGMaster(Device):
         A1_curr = seed1.calc_a_from_seedpower(ebeam, mod1, arange = False, printout = printout)[0][0]
 
         seed2 = utl.Laser(wl = self._lambda_s2_curr * 1e-9, bdw = self._dlambda_s2 * 1.0e-9,
-                            nrg = self._nrg_s2_curr * 1e-6, waist = self._waist_s2 * 1e-3,
+                            nrg = self._nrg_s2_curr * 1e-6, waist = self._waist_s2 * self._waist_corr_s2 * 1e-3,
                             wl_range = [float(self.lambda_s2.get_properties().min_value) * 1e-9,
                                         float(self.lambda_s2.get_properties().max_value) * 1e-9])
 #                            wl_range = [240 * 1e-9, 265 * 1e-9])
@@ -2131,8 +2132,35 @@ class EEHGMaster(Device):
         else:
             self.set_state(tango.DevState.ALARM)
             self.set_status('Alarm, seed ccd2 device not initialized')
-
+            return
         pass
+        
+        printout = False
+        ebeam = utl.ElectronBeam(energy = self._e_nrg_fel * 1e9, energyspread = self._e_dgamma_fel * 1e3,
+                                   current = 500.0, emittance_n = 1e-6, beamsize=100e-6)
+
+        mod1 = utl.Undulator(lw = 0.10, lung = 3.0, helical = False, aw = 1.0)
+        mod2 = utl.Undulator(lw = 0.113, lung = 1.469, helical = False, aw = 1.0)
+
+        seed1 = utl.Laser(wl = self._lambda_s1_curr * 1e-9, bdw = self._dlambda_s1*1.0e-9,
+                           nrg = self._nrg_s1_curr * 1e-6, waist = self._waist_s1 * self._waist_corr_s1 * 1e-3,
+                            wl_range = [self._lambda_s1_curr * 1e-9, self._lambda_s1_curr * 1e-9])
+
+        seed1.set_duration(self._dt_s1 * 1e-15)
+        mod1.calc_aw(seed1.wl, ebeam.energy)
+
+        self._a1_curr = seed1.calc_a_from_seedpower(ebeam, mod1, arange = False, printout = printout)[0][0]
+
+
+        seed2 = utl.Laser(wl = self._lambda_s2_curr * 1e-9, bdw = self._dlambda_s2 * 1.0e-9,
+                            nrg = self._nrg_s2_curr * 1e-6, waist = self._waist_s2 * self._waist_corr_s2 * 1e-3,
+                            wl_range = [float(self.lambda_s2.get_properties().min_value) * 1e-9,
+                                        float(self.lambda_s2.get_properties().max_value) * 1e-9])
+        seed2.set_duration(self._dt_s2 * 1e-15)
+        mod2.calc_aw(seed2.wl, ebeam.energy)
+        
+        self._a2_curr = seed2.calc_a_from_seedpower(ebeam, mod2, arange = False, printout = printout)[0][0]
+    
         self.set_status('Read complited.')
     
         # PROTECTED REGION END #    //  EEHGMaster.ReadFromField