diff --git a/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs b/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs
index 9a13a498..faa445a7 100644
--- a/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs
+++ b/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/FM2014.cs
@@ -114,12 +114,12 @@ namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core
         /// <summary>
         /// Minimal value for attenuation.
         /// </summary>
-        public const Byte ATTENUATION_MIN = 1;
+        public const Byte CURRENT_OUTPUT_ATTENUATION_MIN = 1;
 
         /// <summary>
         /// Maximal value for attenuation.
         /// </summary>
-        public const Byte ATTENUATION_MAX = 9;
+        public const Byte CURRENT_OUTPUT_ATTENUATION_MAX = 9;
 
         /// <summary>
         /// Minimal value for double pulse lock time in milliseconds, 0.0 means it is disabled.
@@ -580,7 +580,8 @@ namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core
             get => _currentOutputAttenuation;
             private set
             {
-                if (value < ATTENUATION_MIN || value > ATTENUATION_MAX)
+                if (value < CURRENT_OUTPUT_ATTENUATION_MIN || 
+                    value > CURRENT_OUTPUT_ATTENUATION_MAX)
                     return;
 
                 _currentOutputAttenuation = value;
diff --git a/FM2014TestApp/Fm2014TestApp.sln.DotSettings b/FM2014TestApp/Fm2014TestApp.sln.DotSettings
index 69c27719..a7196d6f 100644
--- a/FM2014TestApp/Fm2014TestApp.sln.DotSettings
+++ b/FM2014TestApp/Fm2014TestApp.sln.DotSettings
@@ -2,6 +2,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Ackn/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=BAUDRATE/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Brodcast/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Calib/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Consts/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=DBPL/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=DPLS/@EntryIndexedValue">True</s:Boolean>
diff --git a/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml b/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml
index 7576ceb2..e4265026 100644
--- a/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml
+++ b/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml
@@ -338,7 +338,7 @@
                         <ComboBox x:Name="cbxToleranceCalc"      HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="1,1,1,1" Grid.Row="5" Grid.Column="23" Grid.ColumnSpan="2"                                    TabIndex="105" HorizontalContentAlignment="Right" KeyDown="cbxToleranceCalc_KeyDown" SelectionChanged="cbxToleranceCalc_SelectedIndexChanged"/>
                         <CheckBox x:Name="chkUseDampedTolerance" HorizontalAlignment="Stretch" VerticalAlignment="Center"  Margin="1,1,1,1" Grid.Row="5" Grid.Column="0"  Grid.ColumnSpan="6" Content="Damped Tolerance ON"      TabIndex="101" Click="chkUseDampedTolerance_CheckedChanged" />
                         <Button x:Name="btnDutToRefRegulation"   HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="1,1,1,1" Grid.Row="6" Grid.Column="0"  Grid.ColumnSpan="4" Content="Start Regulation"         TabIndex="100" Click="btnDutToRefRegulation_Click"           />
-                        <Button x:Name="btnSaveRegulationSetup"  HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="1,1,1,1" Grid.Row="6" Grid.Column="21" Grid.ColumnSpan="4" Content="Save"                     TabIndex="106" Click="btnSaveRegulationSetup_Click"          />
+                        <Button x:Name="btnSaveRegulationSetup"  HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="1,1,1,1" Grid.Row="6" Grid.Column="21" Grid.ColumnSpan="4" Content="Save to FM2014"           TabIndex="106" Click="btnSaveRegulationSetup_Click"          />
                     </Grid>
                 </TabItem>
 
@@ -437,7 +437,7 @@
                             <ColumnDefinition Width="*"/>
                         </Grid.ColumnDefinitions>
                         <Label x:Name="lblRefPulsesMeasured"       HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="0,0,0,0" Grid.Row="1"  Grid.Column="17"  Grid.ColumnSpan="6"  Content="Measured REF Pulses:" />
-                        <CheckBox x:Name="chkDutPulsesMeasured"    HorizontalAlignment="Stretch" VerticalAlignment="Center"  Margin="4,1,1,1" Grid.Row="2"  Grid.Column="17"  Grid.ColumnSpan="6"  Content="Measured DUT Pulses:"                                   TabIndex="121" Click="chkUseDampedTolerance_CheckedChanged" />
+                        <CheckBox x:Name="chkDutPulsesMeasured"    HorizontalAlignment="Stretch" VerticalAlignment="Center"  Margin="4,1,1,1" Grid.Row="2"  Grid.Column="17"  Grid.ColumnSpan="6"  Content="Measured DUT Pulses:"                                   TabIndex="121" Click="chkDutPulseMeasurement_CheckChanged" />
                         <Label x:Name="lblVolumeMeasuredLiters"    HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="0,0,0,0" Grid.Row="3"  Grid.Column="17"  Grid.ColumnSpan="6"  Content="Measured Volume [liters]:" />
                         <Label x:Name="lblRefPulsesPerCmScale"     HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="0,0,0,0" Grid.Row="4"  Grid.Column="17"  Grid.ColumnSpan="6"  Content="REF Pulse Ratio [pulses/m³]:" />
                         <TextBox x:Name="tbxRefPulsesMeasured"     HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="1,1,1,1" Grid.Row="1"  Grid.Column="23"  Grid.ColumnSpan="2"  Text="500"   MaxLines="1"     HorizontalContentAlignment="Right" />
diff --git a/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml.cs b/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml.cs
index 7cc4e7c9..b8192531 100644
--- a/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml.cs
+++ b/FM2014TestApp/Ui/Fm2014sTest/FM2014TestBenchWindow.xaml.cs
@@ -239,8 +239,8 @@ namespace Sensus.Ui.FM2014TestBench
             MeasurementLabels.Add(lblMeasurement7Text);
 
             // Preset attenuation
-            var attenuation = FM2014.ATTENUATION_MIN;
-            for (var idx = 0; idx < FM2014.ATTENUATION_MAX - FM2014.ATTENUATION_MIN; idx++)
+            var attenuation = FM2014.CURRENT_OUTPUT_ATTENUATION_MIN;
+            for (var idx = 0; idx < FM2014.CURRENT_OUTPUT_ATTENUATION_MAX - FM2014.CURRENT_OUTPUT_ATTENUATION_MIN; idx++)
             {
                 cbxDisplayAttenuation.Items.Add(attenuation.ToString());
                 attenuation++;
@@ -1000,15 +1000,15 @@ namespace Sensus.Ui.FM2014TestBench
             UiElmEnable(tbxDutToRefTolMin, false);
             UiElmEnable(tbxRefPulsesPerCm, false);
             UiElmEnable(tbxDutPulsesPerCm, false);
-            UiElmEnable(tbxScaleRefToDut, false);       // Additional scale is permanent read only
+            UiElmEnable(tbxScaleRefToDut, false); // Is permanent read only
             UiElmEnable(cbxDisplayAttenuation, false);
             UiElmEnable(cbxToleranceCalc, false);
             UiElmEnable(cbxFM2014ComPort, false);
-            UiElmEnable(tbxRefPulsesMeasured, false);   // Additional scale is permanent read only
+            UiElmEnable(tbxRefPulsesMeasured, false); // Is permanent read only
             UiElmEnable(chkDutPulsesMeasured, false);
-            UiElmEnable(tbxDutPulsesMeasured, false);   // Additional scale is permanent read only
+            UiElmEnable(tbxDutPulsesMeasured, false); // Is permanent read only
             UiElmEnable(tbxVolumeMeasuredLiters, false);
-            UiElmEnable(tbxRefPulsesPerCmCalib, false); // Additional scale is permanent read only
+            UiElmEnable(tbxRefPulsesPerCmCalib, false); // Is permanent read only
             foreach (var slotSelector in SlotSelections)
             {
                 UiElmEnable(slotSelector, false);
@@ -1022,7 +1022,7 @@ namespace Sensus.Ui.FM2014TestBench
         {
             // Enable buttons and display correct information
             UiElmEnable(btnDutToRefCalibration, true);
-            UiElmEnable(btnSaveRegulationSetup, _regulationSetupHasChanged); // activate if setup has changed
+            UiElmEnable(btnSaveRegulationSetup, _regulationSetupHasChanged); // Activate if setup has changed
             UiElmEnable(btnDutToRefRegulation, true);
             UiElmEnable(btnFM2014Connect, true);
             UiElmEnable(btnRefToVolumeCalibration, true);
@@ -1032,9 +1032,12 @@ namespace Sensus.Ui.FM2014TestBench
             UpdateContentControl(btnDutToRefCalibration, Properties.Resources.StrBtnStartCalibration);
             UpdateContentControl(btnDutToRefRegulation, Properties.Resources.StrBtnStartRegulation);
 
+            var dutPulseMeasurementIsActive = false;
             // Enable manual input
             Dispatcher.Invoke(() =>
             {
+                if (chkDutPulsesMeasured.IsChecked != null)
+                    dutPulseMeasurementIsActive = (Boolean)chkDutPulsesMeasured.IsChecked;
                 tbxVolumeMeasuredLiters.IsReadOnly = false;
                 tbxRefPulsesPerCm.IsReadOnly = false;
                 tbxDutPulsesPerCm.IsReadOnly = false;
@@ -1048,15 +1051,15 @@ namespace Sensus.Ui.FM2014TestBench
             UiElmEnable(tbxDutToRefTolMin, true);
             UiElmEnable(tbxRefPulsesPerCm, true);
             UiElmEnable(tbxDutPulsesPerCm, true);
-            UiElmEnable(tbxScaleRefToDut, true);       // Additional scale is permanent read only
+            UiElmEnable(tbxScaleRefToDut, true); // Is permanent read only
             UiElmEnable(cbxDisplayAttenuation, true);
             UiElmEnable(cbxToleranceCalc, true);
             UiElmEnable(cbxFM2014ComPort, true);
-            UiElmEnable(tbxRefPulsesMeasured, true);   // Additional scale is permanent read only
+            UiElmEnable(tbxRefPulsesMeasured, true); // Is permanent read only
             UiElmEnable(chkDutPulsesMeasured, true);
-            UiElmEnable(tbxDutPulsesMeasured, true);   // Additional scale is permanent read only
+            UiElmEnable(tbxDutPulsesMeasured, dutPulseMeasurementIsActive); // Is permanent read only
             UiElmEnable(tbxVolumeMeasuredLiters, true);
-            UiElmEnable(tbxRefPulsesPerCmCalib, true); // Additional scale is permanent read only
+            UiElmEnable(tbxRefPulsesPerCmCalib, true); // Is permanent read only
 
             foreach (var slotSelector in SlotSelections)
             {
@@ -1128,7 +1131,7 @@ namespace Sensus.Ui.FM2014TestBench
                             break;
                         case CmdName.CMD_REF_GET_PLS_CTR:
                         case CmdName.CMD_REF_GET_PLS_CTR_BU:
-                            if (firstFm2014 != null && firstFm2014.Address == fm2014.Address )
+                            if (firstFm2014 != null && firstFm2014.Address == fm2014.Address)
                                 UpdateTextBox(tbxRefPulsesMeasured, $"{resp.IntValue:D}");
                             ucFm2014.SetValue(CTR_LBL_IDX_REF_PLS, $"{resp.IntValue:D}");
                             break;
@@ -1408,8 +1411,8 @@ namespace Sensus.Ui.FM2014TestBench
                     }
 
                     if (byte.TryParse(cbxDisplayAttenuation.SelectedItem.ToString(), out var attenuation) &&
-                        attenuation >= FM2014.ATTENUATION_MIN &&
-                        attenuation <= FM2014.ATTENUATION_MAX)
+                        attenuation >= FM2014.CURRENT_OUTPUT_ATTENUATION_MIN &&
+                        attenuation <= FM2014.CURRENT_OUTPUT_ATTENUATION_MAX)
                     {
                         currentOutputAttenuation = attenuation;
                     }
@@ -1423,7 +1426,7 @@ namespace Sensus.Ui.FM2014TestBench
                     ucFM2014.EnableMeasurements(REG_MEASURE_COUNT);
                 }
 
-                if (FM2014.RegulationMeasurement(refPulses_per_cm, dutPulses_per_cm, doublePulseDeadtime_ms, 
+                if (FM2014.RegulationMeasurement(refPulses_per_cm, dutPulses_per_cm, doublePulseDeadtime_ms,
                         currentOutputAttenuation))
                 {
                     _autoProgressBar = true;
@@ -1584,8 +1587,8 @@ namespace Sensus.Ui.FM2014TestBench
             Dispatcher.Invoke(() =>
             {
                 if (byte.TryParse(cbxDisplayAttenuation.SelectedItem.ToString(), out var attenuation) &&
-                    attenuation >= FM2014.ATTENUATION_MIN &&
-                    attenuation <= FM2014.ATTENUATION_MAX &&
+                    attenuation >= FM2014.CURRENT_OUTPUT_ATTENUATION_MIN &&
+                    attenuation <= FM2014.CURRENT_OUTPUT_ATTENUATION_MAX &&
                     firstFm2014.CurrentOutputAttenuation != attenuation)
                 {
                     _regulationSetupHasChanged = true;
@@ -1656,6 +1659,21 @@ namespace Sensus.Ui.FM2014TestBench
                 }));
         }
 
+        /// <summary>
+        /// Enable/Disable input
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void chkDutPulseMeasurement_CheckChanged(Object sender, EventArgs e)
+        {
+            Dispatcher.Invoke(() =>
+            {
+                var isChecked = false;
+                if (chkDutPulsesMeasured.IsChecked != null)
+                    isChecked = (Boolean)chkDutPulsesMeasured.IsChecked;
+                UiElmEnable(tbxDutPulsesMeasured, isChecked);
+            });
+        }
         /// <summary>
         /// Common check for key input to edit an integer field:
         /// - Allows Left, Right, Back, Delete and 0-9 keys . and , 
@@ -2228,7 +2246,7 @@ namespace Sensus.Ui.FM2014TestBench
                     FM2014.PULSES_PER_CM_REGULATION_SETUP_MIN <= pulses_per_cm &&
                     FM2014.REF_PULSES_PER_CM_REGULATION_INPUT_MAX >= pulses_per_cm)
                 {
-                     // During setup of the 'Ref_pulse_per_cm' the 'RefToDutScaleStr' will be generated
+                    // During setup of the 'Ref_pulse_per_cm' the 'RefToDutScaleStr' will be generated
                     if (!UpdateRefToDutScale())
                     {
                         tbxRefPulsesPerCm.Background = ColorProcessFailed;
diff --git a/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.Designer.cs b/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.Designer.cs
index 6d931157..b565f1a5 100644
--- a/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.Designer.cs
+++ b/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.Designer.cs
@@ -70,7 +70,7 @@ namespace Sensus.Ui.Fm2014TestBench.Properties {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Save.
+        ///   Looks up a localized string similar to Save to FM2014.
         /// </summary>
         internal static string StrBtnSaveRegulationSetup {
             get {
diff --git a/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.de.resx b/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.de.resx
index 07057e34..c5abe17d 100644
--- a/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.de.resx
+++ b/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.de.resx
@@ -184,7 +184,7 @@
     <value>Anzeigestabilisierung []:</value>
   </data>
   <data name="StrBtnSaveRegulationSetup" xml:space="preserve">
-    <value>Speichern</value>
+    <value>In FM2014 speichern</value>
   </data>
   <data name="StrGbxManualRefCalibration" xml:space="preserve">
     <value>REF zu Volumen Kalibrierung</value>
diff --git a/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.resx b/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.resx
index 9fac0b3a..31109df2 100644
--- a/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.resx
+++ b/FM2014TestApp/Ui/Fm2014sTest/Properties/Resources.resx
@@ -184,7 +184,7 @@
     <value>Display Attenuation []:</value>
   </data>
   <data name="StrBtnSaveRegulationSetup" xml:space="preserve">
-    <value>Save</value>
+    <value>Save to FM2014</value>
   </data>
   <data name="StrGbxManualRefCalibration" xml:space="preserve">
     <value>REF to Volume Calibration</value>