diff --git a/volumes/sirm/apps/main/models.py b/volumes/sirm/apps/main/models.py
index 657ddc2..7b1809c 100644
--- a/volumes/sirm/apps/main/models.py
+++ b/volumes/sirm/apps/main/models.py
@@ -254,9 +254,9 @@ class Experiment(PolymorphicModel):
         try:
             period = self.transmission_tx.ipp*2/0.3
             if self.transmission_tx.enable_2:
-                payload = {"Delay": 0, "periode1": period, "width1": self.transmission_tx.pulse_1, "repeatability1": self.transmission_tx.repetitions_1, "periode2": period, "width2": self.transmission_tx.pulse_2, "repeatability2": self.transmission_tx.repetitions_2, "enable": 1}
+                payload = {"Delay": 1, "periode1": period, "width1": self.transmission_tx.pulse_1, "repeatability1": self.transmission_tx.repetitions_1, "periode2": period, "width2": self.transmission_tx.pulse_2, "repeatability2": self.transmission_tx.repetitions_2, "enable": 1}
             else:
-                payload = {"Delay": 0, "periode1": period, "width1": self.transmission_tx.pulse_1, "repeatability1": 1, "periode2": self.transmission_tx.periode_1, "width2": self.transmission_tx.pulse_1, "repeatability2": 1, "enable": 1}
+                payload = {"Delay": 1, "periode1": period, "width1": self.transmission_tx.pulse_1, "repeatability1": 1, "periode2": period, "width2": self.transmission_tx.pulse_1, "repeatability2": 1, "enable": 1}
             
             json_trmode = json.dumps(payload)
             
@@ -265,7 +265,7 @@ class Experiment(PolymorphicModel):
             trmode_url = self.generator.device.url() + "trmode?params="
             complete_url_trmode = trmode_url + base64_trmode.decode('ascii')
             
-            r = requests.get(complete_url_trmode)
+            requests.get(complete_url_trmode)
         except:
             return False
         return True
diff --git a/volumes/sirm/apps/pedestal/models.py b/volumes/sirm/apps/pedestal/models.py
index f4b80d3..3c16ca3 100644
--- a/volumes/sirm/apps/pedestal/models.py
+++ b/volumes/sirm/apps/pedestal/models.py
@@ -146,7 +146,9 @@ class PedestalConfiguration(Configuration):
             base64_table_el = base64.standard_b64encode(json_data_el.encode('ascii'))
             base64_table_az = base64.standard_b64encode(json_data_az.encode('ascii'))
             
+            time.sleep(0.1)
             r = requests.get(url + base64_table_el.decode('ascii'))
+            time.sleep(0.1)
             r = requests.get(url + base64_table_az.decode('ascii'))
             
             if r: