diff --git a/src/utils/base/__pycache__/base.cpython-310.pyc b/src/utils/base/__pycache__/base.cpython-310.pyc
index 9d579a8..999c743 100644
Binary files a/src/utils/base/__pycache__/base.cpython-310.pyc and b/src/utils/base/__pycache__/base.cpython-310.pyc differ
diff --git a/src/utils/base/base.py b/src/utils/base/base.py
index ae3bbbf..f793c71 100644
--- a/src/utils/base/base.py
+++ b/src/utils/base/base.py
@@ -256,7 +256,9 @@ class BasePlotWidget:
                 navigator.plot(x_downsampled, y_downsampled, pen=signal["pen"], name=signal["name"])
 
         ROI_region = pg.LinearRegionItem(values=time_region, movable=True, brush=pg.mkBrush(0, 0, 255, 100))
+        ROI_region.setBounds([0, x.iloc[-1]])
         navigator.addItem(ROI_region)
+        navigator.getPlotItem().getViewBox().setLimits(xMin=0, xMax=x.iloc[-1])
 
         # Связываем изменение региона навигатора с обновлением области просмотра основного графика
         ROI_region.sigRegionChanged.connect(lambda: self._sync_main_plot_with_navigator(main_plot, ROI_region))