diff --git a/gui/src/aaregui/panels/raster_data_collection.py b/gui/src/aaregui/panels/raster_data_collection.py
index c91ef9c5..e8c05eeb 100644
--- a/gui/src/aaregui/panels/raster_data_collection.py
+++ b/gui/src/aaregui/panels/raster_data_collection.py
@@ -3,6 +3,7 @@ from PySide6.QtWidgets import QWidget, QGridLayout, QLabel, QSizePolicy, QSpacer
     QComboBox, QSlider
 
 from aaredaqlib.diffraction_geometry import DiffractionGeometry
+from aaredaqlib.models import DAQStatusModel
 from aaregui.panels.scan_settings_panel import ScanSettingsPanel
 from aaregui.scan_logic.raster_grid_manager import RasterGridManager, RasterGridMetric
 from aaregui.widgets.number_line_edit import NumberLineEdit
@@ -141,6 +142,15 @@ class RasterDataCollectionPanel(ScanSettingsPanel):
         self.__n_y = n_y
         self.update_grid_scan_size()
 
+    @Slot(DAQStatusModel)
+    def update_daq_status(self, s: DAQStatusModel):
+        super().update_daq_status(s)
+        can_edit = getattr(self, "_can_edit_params", False)
+        for w in (self.width_enter, self.height_enter, self.image_time_enter):
+            w.setReadOnly(not can_edit)
+            w.setStyleSheet(
+                "background-color: rgb(255, 255, 255);" if can_edit else "background-color: rgb(240, 240, 240);")
+
     def update_grid_scan_size(self):
         self.width_enter.update_value(self.__size_x)
         self.height_enter.update_value(self.__size_y)
diff --git a/gui/src/aaregui/panels/rotation_data_collection.py b/gui/src/aaregui/panels/rotation_data_collection.py
index 4f4195f5..9c6de607 100644
--- a/gui/src/aaregui/panels/rotation_data_collection.py
+++ b/gui/src/aaregui/panels/rotation_data_collection.py
@@ -4,11 +4,13 @@ from PySide6.QtCore import Slot, Signal, Qt
 from PySide6.QtWidgets import QLabel, QComboBox, QPushButton
 
 from aaredaqlib.diffraction_geometry import DiffractionGeometry
+from aaredaqlib.logger_config import setup_logger
 from aaredaqlib.models import DAQStatusModel
 from aaredaqlib.rotation_scan import RotationScanRequest
 from aaregui.panels.scan_settings_panel import ScanSettingsPanel
 from aaregui.widgets.number_line_edit import NumberLineEdit
 
+logger = setup_logger("aareGUI")
 
 def add_screening_to_path(path):
     p = Path(path)
@@ -159,6 +161,31 @@ class RotationDataCollectionPanel(ScanSettingsPanel):
     def update_daq_status(self, s: DAQStatusModel):
         super().update_daq_status(s)
         self.__omega = s.geom.omega_deg
+
+        can_edit = getattr(self, "_can_edit_params", False)
+        for w in (self.start_angle, self.screening_image_angle, self.screening_image_time_enter,
+                  self.total_angle, self.image_angle, self.image_time_enter):
+            w.setReadOnly(not can_edit)
+            w.setStyleSheet("background-color: rgb(255, 255, 255);" if can_edit else "background-color: rgb(240, 240, 240);")
+
+
+        if s.sample is None:
+            # Reset rotation-specific widgets to their defaults
+            for w in (self.start_angle, self.screening_image_angle, self.screening_image_time_enter,
+                      self.total_angle, self.image_angle, self.image_time_enter):
+                try:
+                    if hasattr(w, "saved_value"):
+                        w.saved_value = float("nan")
+                    # NumberLineEdit keeps its default in .default
+                    w.update_value(w.default if hasattr(w, "default") else 0.0)
+                except Exception:
+                    logger.error(f"Failed to reset {w} to default.", exc_info=True)
+                    pass
+            # Reset dose label
+            self.__dose_mgy = 0
+            self.dose.setText("0.0")
+            return
+
         lambda_a = s.diffraction.wavelength_angstrom
         kdose = 2000 / (lambda_a * lambda_a)
         beam_area = s.geom.beam_size_mm.x * s.geom.beam_size_mm.y * 1e6