diff --git a/rfg_adc_plotter/gui/pyqtgraph_backend.py b/rfg_adc_plotter/gui/pyqtgraph_backend.py
index a2495c1..4a0a60b 100644
--- a/rfg_adc_plotter/gui/pyqtgraph_backend.py
+++ b/rfg_adc_plotter/gui/pyqtgraph_backend.py
@@ -743,11 +743,6 @@ def run_pyqtgraph(args) -> None:
         p_line_phase.setXLink(p_line)
     except Exception:
         pass
-    if not complex_sweep_mode:
-        try:
-            p_line_phase.hide()
-        except Exception:
-            pass
 
     p_img = win.addPlot(row=0, col=1, title="Сырые данные водопад")
     p_img.invertY(False)
@@ -904,8 +899,7 @@ def run_pyqtgraph(args) -> None:
     if complex_sweep_mode:
         try:
             parsed_data_cb.setText("Сырые CH1/CH2" if bin_iq_power_mode else "Сырые Re/Im")
-            if bin_iq_power_mode:
-                parsed_data_cb.setChecked(True)
+            parsed_data_cb.setChecked(True)
         except Exception:
             pass
     fft_curve_group = QtWidgets.QGroupBox("FFT кривые")
@@ -1852,7 +1846,11 @@ def run_pyqtgraph(args) -> None:
             )
             displayed_calib = None
             displayed_aux = resolve_visible_aux_curves(runtime.current_aux_curves, parsed_data_enabled)
-            displayed_phase = compute_aux_phase_curve(displayed_aux)
+            displayed_phase = compute_aux_phase_curve(runtime.current_aux_curves)
+            try:
+                p_line_phase.setVisible(displayed_phase is not None and displayed_phase.size > 0)
+            except Exception:
+                pass
 
             if runtime.current_sweep_raw is not None:
                 raw_x, raw_y = decimate_curve_for_display(xs, runtime.current_sweep_raw)