diff --git a/sdrgui/gui/aboutdialog.ui b/sdrgui/gui/aboutdialog.ui
index 010036652..87ae06603 100644
--- a/sdrgui/gui/aboutdialog.ui
+++ b/sdrgui/gui/aboutdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/audiodialog.ui b/sdrgui/gui/audiodialog.ui
index 2a6a313fb..4bc3625a8 100644
--- a/sdrgui/gui/audiodialog.ui
+++ b/sdrgui/gui/audiodialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
@@ -139,7 +139,7 @@
             <string>Destination UDP address</string>
            </property>
            <property name="inputMask">
-            <string>000.000.000.000; </string>
+            <string>000.000.000.000</string>
            </property>
            <property name="text">
             <string>127.0.0.1</string>
@@ -165,7 +165,7 @@
             <string>Destination UDP port</string>
            </property>
            <property name="inputMask">
-            <string>00000; </string>
+            <string>00000</string>
            </property>
            <property name="text">
             <string>9998</string>
diff --git a/sdrgui/gui/audioselectdialog.ui b/sdrgui/gui/audioselectdialog.ui
index 0b2a7b0d5..dc9575594 100644
--- a/sdrgui/gui/audioselectdialog.ui
+++ b/sdrgui/gui/audioselectdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
@@ -43,7 +43,7 @@
        <string>Rate</string>
       </property>
       <property name="textAlignment">
-       <set>AlignRight|AlignVCenter</set>
+       <set>AlignTrailing|AlignVCenter</set>
       </property>
      </column>
     </widget>
diff --git a/sdrgui/gui/basicchannelsettingsdialog.ui b/sdrgui/gui/basicchannelsettingsdialog.ui
index d2ccc0881..25af72d52 100644
--- a/sdrgui/gui/basicchannelsettingsdialog.ui
+++ b/sdrgui/gui/basicchannelsettingsdialog.ui
@@ -10,6 +10,12 @@
     <height>131</height>
    </rect>
   </property>
+  <property name="font">
+   <font>
+    <family>Liberation Sans</family>
+    <pointsize>9</pointsize>
+   </font>
+  </property>
   <property name="windowTitle">
    <string>Basic channel settings</string>
   </property>
diff --git a/sdrgui/gui/commandoutputdialog.ui b/sdrgui/gui/commandoutputdialog.ui
index 8ee6be6bb..590aa9f39 100644
--- a/sdrgui/gui/commandoutputdialog.ui
+++ b/sdrgui/gui/commandoutputdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/cwkeyergui.ui b/sdrgui/gui/cwkeyergui.ui
index fe5899f94..cdd0867ce 100644
--- a/sdrgui/gui/cwkeyergui.ui
+++ b/sdrgui/gui/cwkeyergui.ui
@@ -12,15 +12,24 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
-    <pointsize>8</pointsize>
+    <family>Liberation Sans</family>
+    <pointsize>9</pointsize>
    </font>
   </property>
   <property name="windowTitle">
    <string>CW Keyer</string>
   </property>
   <layout class="QGridLayout" name="gridLayout" columnstretch="1,0,0">
-   <property name="margin">
+   <property name="leftMargin">
+    <number>2</number>
+   </property>
+   <property name="topMargin">
+    <number>2</number>
+   </property>
+   <property name="rightMargin">
+    <number>2</number>
+   </property>
+   <property name="bottomMargin">
     <number>2</number>
    </property>
    <property name="spacing">
diff --git a/sdrgui/gui/editcommanddialog.ui b/sdrgui/gui/editcommanddialog.ui
index 6a052b533..9ced7090c 100644
--- a/sdrgui/gui/editcommanddialog.ui
+++ b/sdrgui/gui/editcommanddialog.ui
@@ -7,12 +7,12 @@
     <x>0</x>
     <y>0</y>
     <width>324</width>
-    <height>239</height>
+    <height>251</height>
    </rect>
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/externalclockdialog.ui b/sdrgui/gui/externalclockdialog.ui
index 9efa481d3..2e75e9086 100644
--- a/sdrgui/gui/externalclockdialog.ui
+++ b/sdrgui/gui/externalclockdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/glscopegui.ui b/sdrgui/gui/glscopegui.ui
index 135b1e0f6..8b07d6067 100644
--- a/sdrgui/gui/glscopegui.ui
+++ b/sdrgui/gui/glscopegui.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>634</width>
-    <height>115</height>
+    <height>117</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -18,7 +18,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>8</pointsize>
    </font>
   </property>
@@ -29,7 +29,16 @@
    <property name="spacing">
     <number>3</number>
    </property>
-   <property name="margin">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
     <number>0</number>
    </property>
    <item>
diff --git a/sdrgui/gui/glscopemultigui.ui b/sdrgui/gui/glscopemultigui.ui
index e4f029aee..e9b51bb4a 100644
--- a/sdrgui/gui/glscopemultigui.ui
+++ b/sdrgui/gui/glscopemultigui.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>750</width>
-    <height>120</height>
+    <height>121</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -18,6 +18,7 @@
   </property>
   <property name="font">
    <font>
+    <family>Liberation Sans</family>
     <pointsize>8</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/glscopenggui.ui b/sdrgui/gui/glscopenggui.ui
index e6560dddd..e7a8afe70 100644
--- a/sdrgui/gui/glscopenggui.ui
+++ b/sdrgui/gui/glscopenggui.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>758</width>
-    <height>120</height>
+    <height>121</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -18,6 +18,7 @@
   </property>
   <property name="font">
    <font>
+    <family>Liberation Sans</family>
     <pointsize>8</pointsize>
    </font>
   </property>
@@ -646,7 +647,16 @@ kS/s</string>
        <property name="spacing">
         <number>0</number>
        </property>
-       <property name="margin">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
         <number>0</number>
        </property>
        <item>
@@ -928,7 +938,16 @@ kS/s</string>
        <property name="spacing">
         <number>2</number>
        </property>
-       <property name="margin">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
         <number>0</number>
        </property>
        <item>
@@ -1253,7 +1272,16 @@ kS/s</string>
        <property name="spacing">
         <number>0</number>
        </property>
-       <property name="margin">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
         <number>0</number>
        </property>
        <item>
@@ -1531,7 +1559,16 @@ kS/s</string>
        <property name="spacing">
         <number>2</number>
        </property>
-       <property name="margin">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
         <number>0</number>
        </property>
        <item>
diff --git a/sdrgui/gui/glspectrumgui.ui b/sdrgui/gui/glspectrumgui.ui
index 87340e0ea..b46b17a66 100644
--- a/sdrgui/gui/glspectrumgui.ui
+++ b/sdrgui/gui/glspectrumgui.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>8</pointsize>
    </font>
   </property>
@@ -20,7 +20,16 @@
    <string>Oscilloscope</string>
   </property>
   <layout class="QGridLayout" name="gridLayout" columnstretch="1,0,0">
-   <property name="margin">
+   <property name="leftMargin">
+    <number>2</number>
+   </property>
+   <property name="topMargin">
+    <number>2</number>
+   </property>
+   <property name="rightMargin">
+    <number>2</number>
+   </property>
+   <property name="bottomMargin">
     <number>2</number>
    </property>
    <property name="spacing">
diff --git a/sdrgui/gui/loggingdialog.ui b/sdrgui/gui/loggingdialog.ui
index ec05378a9..29ff46d8d 100644
--- a/sdrgui/gui/loggingdialog.ui
+++ b/sdrgui/gui/loggingdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/myposdialog.ui b/sdrgui/gui/myposdialog.ui
index d87ff3ad8..bc022184e 100644
--- a/sdrgui/gui/myposdialog.ui
+++ b/sdrgui/gui/myposdialog.ui
@@ -7,12 +7,12 @@
     <x>0</x>
     <y>0</y>
     <width>324</width>
-    <height>127</height>
+    <height>147</height>
    </rect>
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/pluginsdialog.ui b/sdrgui/gui/pluginsdialog.ui
index 1f87c6d1b..530491765 100644
--- a/sdrgui/gui/pluginsdialog.ui
+++ b/sdrgui/gui/pluginsdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/samplingdevicecontrol.ui b/sdrgui/gui/samplingdevicecontrol.ui
index 3866aa90e..7eb8340b9 100644
--- a/sdrgui/gui/samplingdevicecontrol.ui
+++ b/sdrgui/gui/samplingdevicecontrol.ui
@@ -24,7 +24,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/samplingdevicedialog.ui b/sdrgui/gui/samplingdevicedialog.ui
index 7555e1677..b3aa657e0 100644
--- a/sdrgui/gui/samplingdevicedialog.ui
+++ b/sdrgui/gui/samplingdevicedialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>
diff --git a/sdrgui/gui/scopewindow.ui b/sdrgui/gui/scopewindow.ui
index d521af357..c208dace0 100644
--- a/sdrgui/gui/scopewindow.ui
+++ b/sdrgui/gui/scopewindow.ui
@@ -10,6 +10,12 @@
     <height>149</height>
    </rect>
   </property>
+  <property name="font">
+   <font>
+    <family>Liberation Sans</family>
+    <pointsize>9</pointsize>
+   </font>
+  </property>
   <property name="windowTitle">
    <string>Oscilloscope</string>
   </property>
@@ -17,7 +23,16 @@
    <property name="spacing">
     <number>3</number>
    </property>
-   <property name="margin">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
     <number>0</number>
    </property>
    <item>
@@ -41,7 +56,16 @@
      <property name="spacing">
       <number>3</number>
      </property>
-     <property name="margin">
+     <property name="leftMargin">
+      <number>2</number>
+     </property>
+     <property name="topMargin">
+      <number>2</number>
+     </property>
+     <property name="rightMargin">
+      <number>2</number>
+     </property>
+     <property name="bottomMargin">
       <number>2</number>
      </property>
      <item>
diff --git a/sdrgui/gui/transverterdialog.ui b/sdrgui/gui/transverterdialog.ui
index c657b3994..1d9850edd 100644
--- a/sdrgui/gui/transverterdialog.ui
+++ b/sdrgui/gui/transverterdialog.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="font">
    <font>
-    <family>Sans Serif</family>
+    <family>Liberation Sans</family>
     <pointsize>9</pointsize>
    </font>
   </property>