diff --git a/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/InstrumentPanelV.xaml b/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/InstrumentPanelV.xaml
index 168a3f29..3cd93da2 100644
--- a/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/InstrumentPanelV.xaml
+++ b/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/InstrumentPanelV.xaml
@@ -25,7 +25,8 @@
            FontWeight="Light"
            ToolTip="{Binding ChangeParam_ToolTip}"
            Style="{StaticResource ToolBar_Button}"
-           Command="{Binding ChangeParameter_Command}">
+           Command="{Binding ChangeParameter_Command}"
+           Visibility="{Binding ChangeParam_Visibility}">
       <!--<Image Source="/Resources/InstrumentPanel/Analyze.png" Stretch="Uniform"/>-->
    </Button>
 
diff --git a/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/MyInstrumentPanelVM.vb b/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/MyInstrumentPanelVM.vb
index 64ccc3b1..abfc28e9 100644
--- a/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/MyInstrumentPanelVM.vb
+++ b/EgtBEAMWALL.ViewerOptimizer/InstrumentPanel/MyInstrumentPanelVM.vb
@@ -7,6 +7,11 @@ Imports EgtBEAMWALL.Core
 Public Class MyInstrumentPanelVM
    Inherits InstrumentPanelVM
 
+   Public ReadOnly Property ChangeParam_Visibility As Visibility
+      Get
+         Return If(Map.refMainMenuVM.SelPage = Pages.VIEW, Visibility.Visible, Visibility.Collapsed)
+      End Get
+   End Property
    ' Definizione comandi
    Private m_cmdData As ICommand
    Private m_cmdChangeParameter As ICommand
diff --git a/EgtBEAMWALL.ViewerOptimizer/MainMenu/MainMenuVM.vb b/EgtBEAMWALL.ViewerOptimizer/MainMenu/MainMenuVM.vb
index 25354989..7f38a2b5 100644
--- a/EgtBEAMWALL.ViewerOptimizer/MainMenu/MainMenuVM.vb
+++ b/EgtBEAMWALL.ViewerOptimizer/MainMenu/MainMenuVM.vb
@@ -154,6 +154,7 @@ Public Class MainMenuVM
          Map.refProjectVM.MachGroupPanelVM = Nothing
       End If
       Map.refMainWindowVM.NotifyPropertyChanged("nSelTabPage")
+      Map.refInstrumentPanelVM.NotifyPropertyChanged(NameOf(Map.refInstrumentPanelVM.ChangeParam_Visibility))
       Return True
    End Function
 
@@ -200,6 +201,7 @@ Public Class MainMenuVM
          Map.refProjectVM.MachGroupPanelVM = Nothing
       End If
       Map.refMainWindowVM.NotifyPropertyChanged(NameOf(Map.refMainWindowVM.nSelTabPage))
+      Map.refInstrumentPanelVM.NotifyPropertyChanged(NameOf(Map.refInstrumentPanelVM.ChangeParam_Visibility))
       Return True
    End Function