diff --git a/scripts/Diffraction/isis_powder/polaris.py b/scripts/Diffraction/isis_powder/polaris.py
index 66172962f710376f8ade80689e5d886272d16b99..92160b65a47d7b9555c0d1023d2f7db6f2613578 100644
--- a/scripts/Diffraction/isis_powder/polaris.py
+++ b/scripts/Diffraction/isis_powder/polaris.py
@@ -10,7 +10,7 @@ from isis_powder.polaris_routines import polaris_advanced_config, polaris_algs,
 class Polaris(AbstractInst):
     def __init__(self, **kwargs):
         self._inst_settings = instrument_settings.InstrumentSettings(
-            param_map=polaris_param_mapping.attr_mapping, adv_conf_dict=polaris_advanced_config.variables,
+            param_map=polaris_param_mapping.attr_mapping, adv_conf_dict=polaris_advanced_config.get_all_adv_variables(),
             kwargs=kwargs)
 
         super(Polaris, self).__init__(user_name=self._inst_settings.user_name,
@@ -24,17 +24,20 @@ class Polaris(AbstractInst):
     # Public API
 
     def focus(self, **kwargs):
+        self._switch_mode_specific_inst_settings(kwargs.get("mode"))
         self._inst_settings.update_attributes(kwargs=kwargs)
         return self._focus(run_number_string=self._inst_settings.run_number,
                            do_van_normalisation=self._inst_settings.do_van_normalisation,
                            do_absorb_corrections=self._inst_settings.do_absorb_corrections)
 
     def create_vanadium(self, **kwargs):
+        self._switch_mode_specific_inst_settings(kwargs.get("mode"))
         self._inst_settings.update_attributes(kwargs=kwargs)
         return self._create_vanadium(run_number_string=self._inst_settings.run_in_range,
                                      do_absorb_corrections=self._inst_settings.do_absorb_corrections)
 
     def set_sample_details(self, **kwargs):
+        self._switch_mode_specific_inst_settings(kwargs.get("mode"))
         kwarg_name = "sample"
         sample_details_obj = common.dictionary_key_helper(
             dictionary=kwargs, key=kwarg_name,
@@ -122,3 +125,7 @@ class Polaris(AbstractInst):
                                                             spline_number=spline_coeff,
                                                             mask_path=masking_file_path)
         return output
+
+    def _switch_mode_specific_inst_settings(self, mode):
+        self._inst_settings.update_attributes(advanced_config=polaris_advanced_config.get_mode_specific_dict(mode),
+                                              suppress_warnings=True)
diff --git a/scripts/Diffraction/isis_powder/polaris_routines/polaris_advanced_config.py b/scripts/Diffraction/isis_powder/polaris_routines/polaris_advanced_config.py
index e81ef098a24ebedbd497dd218fc38a996909b37c..b5dd0a4517c2c8c71a76cec0a751818034daa9b6 100644
--- a/scripts/Diffraction/isis_powder/polaris_routines/polaris_advanced_config.py
+++ b/scripts/Diffraction/isis_powder/polaris_routines/polaris_advanced_config.py
@@ -22,7 +22,7 @@ script_params = {
     "spline_coefficient": 100,
 }
 
-focused_cropping_values = [
+pdf_focused_cropping_values = [
     (1500, 19900),  # Bank 1
     (1500, 19900),  # Bank 2
     (1500, 19900),  # Bank 3
@@ -30,6 +30,14 @@ focused_cropping_values = [
     (1500, 19900),  # Bank 5
     ]
 
+rietveld_focused_cropping_values = [
+    (700,  30000),  # Bank 1
+    (1200, 24900),  # Bank 2
+    (1100, 19950),  # Bank 3
+    (1100, 19950),  # Bank 4
+    (1100, 19950),  # Bank 5
+]
+
 focused_bin_widths = [
     # Note you want these to be negative for logarithmic (dt / t) binning
     # else the output file will be larger than 1GB
@@ -41,11 +49,11 @@ focused_bin_widths = [
 ]
 
 vanadium_cropping_values = [
-    (800, 19995),  # Bank 1
-    (800, 19995),  # Bank 2
-    (800, 19995),  # Bank 3
-    (800, 19995),  # Bank 4
-    (800, 19995),  # Bank 5
+    (600, 31000),  # Bank 1
+    (1000, 24950),  # Bank 2
+    (1000, 19975),  # Bank 3
+    (900, 19975),  # Bank 4
+    (800, 19975),  # Bank 5
 ]
 
 sample_empty_scale = 1.0
@@ -78,8 +86,20 @@ variables = {
     # Used by the script to find the dictionaries in advanced config.
     "file_names_dict": file_names,
     "script_params": script_params,
-    "focused_cropping_values": focused_cropping_values,
     "vanadium_cropping_values": vanadium_cropping_values,
     "focused_bin_widths": focused_bin_widths,
     "sample_empty_scale": sample_empty_scale
 }
+
+
+def get_mode_specific_dict(mode):
+    return {"focused_cropping_values":
+            pdf_focused_cropping_values if mode == "PDF"
+            else rietveld_focused_cropping_values}
+
+
+def get_all_adv_variables(mode="PDF"):
+    advanced_config_dict = {}
+    advanced_config_dict.update(variables)
+    advanced_config_dict.update(get_mode_specific_dict(mode))
+    return advanced_config_dict