diff --git a/eco/acquisition/checkers.py b/eco/acquisition/checkers.py
index a684bdd..20837fb 100644
--- a/eco/acquisition/checkers.py
+++ b/eco/acquisition/checkers.py
@@ -35,23 +35,23 @@ class CheckerCA:
         return fraction >= self.required_fraction
 
 
-checker_obj = Checker_obj(checkerPV)
+# checker_obj = Checker_obj(checkerPV)
 
 
-checker_ready = {}
-checker_ready["checker_call"] = checker_function
-checker_ready["args"] = [[60, 700]]
-checker_ready["kwargs"] = {}
-checker_ready["wait_time"] = 3
+# checker_ready = {}
+# checker_ready["checker_call"] = checker_function
+# checker_ready["args"] = [[60, 700]]
+# checker_ready["kwargs"] = {}
+# checker_ready["wait_time"] = 3
 
-checker_init = {}
-checker_init["checker_call"] = checker_obj.clear_and_start_counting
-checker_init["args"] = []
-checker_init["kwargs"] = {}
-checker_init["wait_time"] = None
+# checker_init = {}
+# checker_init["checker_call"] = checker_obj.clear_and_start_counting
+# checker_init["args"] = []
+# checker_init["kwargs"] = {}
+# checker_init["wait_time"] = None
 
-checker_end = {}
-checker_end["checker_call"] = checker_obj.stop_and_analyze
-checker_end["args"] = [[60, 700], .7]
-checker_end["kwargs"] = {}
-checker_end["wait_time"] = None
+# checker_end = {}
+# checker_end["checker_call"] = checker_obj.stop_and_analyze
+# checker_end["args"] = [[60, 700], .7]
+# checker_end["kwargs"] = {}
+# checker_end["wait_time"] = None
diff --git a/eco/acquisition/dia.py b/eco/acquisition/dia.py
index 59e3823..d82ce19 100644
--- a/eco/acquisition/dia.py
+++ b/eco/acquisition/dia.py
@@ -42,6 +42,7 @@ class DIAClient:
         if instrument is None:
             print("ERROR: please configure the instrument parameter in DIAClient")
         self.update_config()
+        self.active_clients = list(self.get_active_clients()['clients_enabled'].keys())
 
     def update_config(self,):
         self.writer_config.update({
@@ -204,6 +205,9 @@ class DIAClient:
     def wait_for_status(self, *args, **kwargs):
         return self.client.wait_for_status(*args, **kwargs)
 
+    def get_active_clients(self):
+        return self.client.get_clients_enabled()
+
     def acquire(self, file_name=None, Npulses=100, JF_factor=1, bsread_padding=0):
         """
         JF_factor?
@@ -261,11 +265,12 @@ class DIAClient:
                 if stat["status"] == "IntegrationStatus.DETECTOR_STOPPED":
                     done = True
                 sleep(0.1)
+        outputfilenames = [f'{file_name_JF}.{tcli.upper()}.h5' for tcli in self.active_clients]
 
         return Acquisition(
             acquire=acquire,
             acquisition_kwargs={
-                "file_names": [file_name_bsread, file_name_JF],
+                "file_names": outputfilenames,
                 "Npulses": Npulses,
             },
             hold=False,
diff --git a/eco/acquisition/scan.py b/eco/acquisition/scan.py
index 2cd24cb..73377d8 100755
--- a/eco/acquisition/scan.py
+++ b/eco/acquisition/scan.py
@@ -44,7 +44,6 @@ class Scan:
             "scan_step_info": [],
         }
         self.scan_info_filename = os.path.join(self.scan_info_dir, fina)
-        self.scan_info_filename += "_scan_info.json"
         self._scan_directories = scan_directories
         self.checker = checker
         self.initial_values = []
@@ -54,15 +53,15 @@ class Scan:
             print("Initial value of %s : %g" % (adj.name, tv))
 
     def get_filename(self, stepNo, Ndigits=4):
-        fina = os.path.join(self.basepath, self.fina)
+        fina = os.path.join(self.basepath, Path(self.fina).stem)
         if self._scan_directories:
             fina = os.path.join(fina, self.fina)
         fina += "_step%04d" % stepNo
         return fina
 
     def doNextStep(self, step_info=None, verbose=True):
-        for call in self.callbacks_start_step:
-            call()
+        # for call in self.callbacks_start_step:
+            # call()
         if self.checker:
             while not self.checker["checker_call"](
                 *self.checker["args"], **self.checker["kwargs"]
@@ -280,7 +279,7 @@ class RunFilenameGenerator:
             self.prefix + self.Ndigits * "[0-9]" + self.separator + "*." + self.suffix
         )
         fl = [tf for tf in fl if tf.is_file()]
-        runnos = [int(tf.split(self.prefix)[1].split(self.separator)[0]) for tf in fl]
+        runnos = [int(tf.name.split(self.prefix)[1].split(self.separator)[0]) for tf in fl]
         return runnos
 
     def get_nextrun_filename(self, name):