diff --git a/companion/src/eeprominterface.cpp b/companion/src/eeprominterface.cpp
index b5015d28b..bba2540d8 100644
--- a/companion/src/eeprominterface.cpp
+++ b/companion/src/eeprominterface.cpp
@@ -915,6 +915,15 @@ RawSource GeneralSettings::getDefaultSource(unsigned int channel)
   return RawSource(SOURCE_TYPE_STICK, stick_index);
 }
 
+void FrSkyData::clear()
+{
+  memset(this, 0, sizeof(FrSkyData));
+  rssiAlarms[0].clear(2, 45);
+  rssiAlarms[1].clear(3, 42);
+  varioSource = 2/*VARIO*/;
+  blades = 2;
+}
+
 ModelData::ModelData()
 {
   clear();
diff --git a/companion/src/eeprominterface.h b/companion/src/eeprominterface.h
index d63423310..e9539db00 100644
--- a/companion/src/eeprominterface.h
+++ b/companion/src/eeprominterface.h
@@ -817,7 +817,7 @@ class FrSkyData {
     FrSkyChannelData channels[2];
     unsigned int usrProto;
     unsigned int imperial;
-    unsigned int blades;
+    int blades;
     unsigned int voltsSource;
     bool altitudeDisplayed;
     unsigned int currentSource;
@@ -833,7 +833,7 @@ class FrSkyData {
     unsigned int storedMah;
     int fasOffset;
 
-    void clear() { memset(this, 0, sizeof(FrSkyData)); rssiAlarms[0].clear(2, 45); rssiAlarms[1].clear(3, 42); varioSource = 2/*VARIO*/; }
+    void clear();
 };
 
 class MavlinkData {
diff --git a/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp b/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp
index 36b6229ac..d50b42cf0 100644
--- a/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp
+++ b/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp
@@ -681,7 +681,7 @@ t_Open9xArmFrSkyData_v210::operator FrSkyData ()
   c9x.channels[1] = channels[1];
   c9x.usrProto = usrProto;
   c9x.voltsSource = voltsSource;
-  c9x.blades = blades;
+  c9x.blades = blades+2;
   c9x.currentSource=currentSource;
   c9x.screens[0].type = 1;
   for (int i=0; i<4; i++) {
@@ -709,7 +709,7 @@ t_Open9xArmFrSkyData_v211::operator FrSkyData ()
   c9x.channels[1] = channels[1];
   c9x.usrProto = usrProto;
   c9x.voltsSource = voltsSource;
-  c9x.blades = blades;
+  c9x.blades = blades+2;
   c9x.currentSource=currentSource;
   c9x.screens[0].type = 1;
   for (int i=0; i<4; i++) {
diff --git a/companion/src/firmwares/opentx/open9xStockeeprom.cpp b/companion/src/firmwares/opentx/open9xStockeeprom.cpp
index 73cb22164..44c16e78b 100644
--- a/companion/src/firmwares/opentx/open9xStockeeprom.cpp
+++ b/companion/src/firmwares/opentx/open9xStockeeprom.cpp
@@ -843,7 +843,7 @@ t_Open9xFrSkyData_v204::operator FrSkyData ()
   c9x.channels[1] = channels[1];
   c9x.usrProto = usrProto;
   c9x.imperial = imperial;
-  c9x.blades = blades;
+  c9x.blades = blades+2;
   c9x.screens[0].type = 1;
   for (int i=0; i<4; i++)
     c9x.screens[0].body.bars[i] = bars[i];
@@ -857,7 +857,7 @@ t_Open9xFrSkyData_v205::operator FrSkyData ()
   c9x.channels[1] = channels[1];
   c9x.usrProto = usrProto;
   c9x.imperial = imperial;
-  c9x.blades = blades;
+  c9x.blades = blades+2;
   c9x.screens[0].type = 1;
   for (int i=0; i<4; i++)
     c9x.screens[0].body.bars[i] = bars[i];
@@ -873,7 +873,7 @@ t_Open9xFrSkyData_v208::operator FrSkyData ()
   c9x.channels[1] = channels[1];
   c9x.usrProto = usrProto;
   c9x.voltsSource = voltsSource;
-  c9x.blades = blades;
+  c9x.blades = blades+2;
   c9x.currentSource=currentSource;
   c9x.screens[0].type = 1;
   for (int i=0; i<4; i++)
@@ -890,7 +890,7 @@ t_Open9xFrSkyData_v210::operator FrSkyData ()
   c9x.channels[1] = channels[1];
   c9x.usrProto = usrProto;
   c9x.voltsSource = voltsSource;
-  c9x.blades = blades;
+  c9x.blades = blades+2;
   c9x.currentSource=currentSource;
 
   int lines_screen_index = 0;
diff --git a/companion/src/firmwares/opentx/opentxeeprom.cpp b/companion/src/firmwares/opentx/opentxeeprom.cpp
index 1091b65a2..5f7d277ac 100644
--- a/companion/src/firmwares/opentx/opentxeeprom.cpp
+++ b/companion/src/firmwares/opentx/opentxeeprom.cpp
@@ -1887,7 +1887,7 @@ class AvrCustomFunctionField: public TransformedField {
         internalField.Append(new UnsignedField<5>(_union_param));
         internalField.Append(new UnsignedField<1>(_active));
       }
-      if (version >= 213) {
+      else if (version >= 213) {
         internalField.Append(new SwitchField<8>(fn.swtch, board, version));
         internalField.Append(new UnsignedField<3>(_union_param));
         internalField.Append(new ConversionField< UnsignedField<5> >((unsigned int &)fn.func, &functionsConversionTable, "Function", ::QObject::tr("OpenTX on this board doesn't accept this function")));
@@ -2148,7 +2148,7 @@ class FrskyField: public StructField {
         else {
           Append(new UnsignedField<8>(frsky.voltsSource));
         }
-        Append(new UnsignedField<8>(frsky.blades));
+        Append(new ConversionField< SignedField<8> >(frsky.blades, -2));
         Append(new UnsignedField<8>(frsky.currentSource));
 
         Append(new UnsignedField<1>(frsky.screens[0].type));
@@ -2190,12 +2190,12 @@ class FrskyField: public StructField {
             Append(new UnsignedField<1>(frsky.channels[i].alarms[j].greater));
           Append(new UnsignedField<2>(frsky.channels[i].multiplier, 0, 3, "Multiplier"));
         }
-        Append(new UnsignedField<2>(frsky.usrProto));
-        Append(new UnsignedField<2>(frsky.blades));
+        Append(new UnsignedField<2>(frsky.usrProto, "USR Proto"));
+        Append(new ConversionField< UnsignedField<2> >((unsigned int &)frsky.blades, -2));
         Append(new UnsignedField<1>(frsky.screens[0].type));
         Append(new UnsignedField<1>(frsky.screens[1].type));
-        Append(new UnsignedField<2>(frsky.voltsSource));
-        Append(new SignedField<4>(frsky.varioMin));
+        Append(new UnsignedField<2>(frsky.voltsSource, "Volts Source"));
+        Append(new SignedField<4>(frsky.varioMin, "Vario Min"));
         Append(new SignedField<4>(frsky.varioMax));
         for (int i=0; i<2; i++) {
           Append(new ConversionField< UnsignedField<2> >(frsky.rssiAlarms[i].level, &rssiConversionTable[i], "RSSI level"));
diff --git a/companion/src/helpers.cpp b/companion/src/helpers.cpp
index b7f144300..f5a9af42a 100644
--- a/companion/src/helpers.cpp
+++ b/companion/src/helpers.cpp
@@ -750,19 +750,6 @@ QString getFrSkyAlarmType(int alarm)
   }
 }
 
-QString getFrSkyBlades(int blades)
-{
-  switch (blades) {
-    case 1:
-      return "3";
-    case 2:
-      return "4";
-    default:
-      return "2";
-  }
-}
-
-
 QString getFrSkyUnits(int units)
 {
   switch(units) {
diff --git a/companion/src/helpers.h b/companion/src/helpers.h
index cf0878a4e..6d8e61000 100644
--- a/companion/src/helpers.h
+++ b/companion/src/helpers.h
@@ -120,7 +120,6 @@ QString getCenterBeep(ModelData * g_model);
 
 /* FrSky helpers */
 QString getFrSkyAlarmType(int alarm);
-QString getFrSkyBlades(int blades);
 QString getFrSkyUnits(int units);
 QString getFrSkyProtocol(int protocol);
 QString getFrSkyMeasure(int units);
diff --git a/companion/src/modeledit/mixes.cpp b/companion/src/modeledit/mixes.cpp
index 77ee3f8ac..2f1e48ab5 100644
--- a/companion/src/modeledit/mixes.cpp
+++ b/companion/src/modeledit/mixes.cpp
@@ -46,7 +46,7 @@ MixesPanel::~MixesPanel()
 QString MixesPanel::getChannelLabel(int curDest)
 {
   QString str;
-  unsigned int outputs = GetEepromInterface()->getCapability(Outputs);
+  int outputs = GetEepromInterface()->getCapability(Outputs);
   if (curDest > outputs) {
     str = QObject::tr("X%1  ").arg(curDest-outputs);
   }
diff --git a/companion/src/modeledit/telemetry.cpp b/companion/src/modeledit/telemetry.cpp
index d32420db3..14405c4db 100644
--- a/companion/src/modeledit/telemetry.cpp
+++ b/companion/src/modeledit/telemetry.cpp
@@ -488,6 +488,10 @@ TelemetryPanel::TelemetryPanel(QWidget *parent, ModelData & model):
     ui->customScreens->addTab(tab, tr("Telemetry screen %1").arg(i+1));
   }
 
+  if (IS_ARM(GetEepromInterface()->getBoard())) {
+    ui->bladesCount->setMinimum(1);
+  }
+
   setup();
 }
 
@@ -634,7 +638,7 @@ void TelemetryPanel::setup()
 
     ui->frskyProtoCB->setCurrentIndex(model.frsky.usrProto);
     ui->frskyUnitsCB->setCurrentIndex(model.frsky.imperial);
-    ui->frskyBladesCB->setCurrentIndex(model.frsky.blades);
+    ui->bladesCount->setValue(model.frsky.blades);
     ui->frskyCurrentCB->setCurrentIndex(model.frsky.currentSource);
     ui->frskyVoltCB->setCurrentIndex(model.frsky.voltsSource);
 
@@ -648,13 +652,13 @@ void TelemetryPanel::onAnalogModified()
 
 void TelemetryPanel::on_frskyUnitsCB_currentIndexChanged(int index)
 {
-    model.frsky.imperial=index;
+    model.frsky.imperial = index;
     emit modified();
 }
 
-void TelemetryPanel::on_frskyBladesCB_currentIndexChanged(int index)
+void TelemetryPanel::on_bladesCount_editingFinished()
 {
-    model.frsky.blades=index;
+    model.frsky.blades = ui->bladesCount->value();
     emit modified();
 }
 
diff --git a/companion/src/modeledit/telemetry.h b/companion/src/modeledit/telemetry.h
index cd804465a..3f44f3261 100644
--- a/companion/src/modeledit/telemetry.h
+++ b/companion/src/modeledit/telemetry.h
@@ -89,7 +89,7 @@ class TelemetryPanel : public ModelPanel
     void onAnalogModified();
     void on_frskyProtoCB_currentIndexChanged(int index);
     void on_frskyUnitsCB_currentIndexChanged(int index);
-    void on_frskyBladesCB_currentIndexChanged(int index);
+    void on_bladesCount_editingFinished();
     void on_frskyCurrentCB_currentIndexChanged(int index);
     void on_frskyVoltCB_currentIndexChanged(int index);
     void on_AltitudeToolbar_ChkB_toggled(bool checked);
diff --git a/companion/src/modeledit/telemetry.ui b/companion/src/modeledit/telemetry.ui
index 2b3ec81de..0f1de8a2c 100644
--- a/companion/src/modeledit/telemetry.ui
+++ b/companion/src/modeledit/telemetry.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>713</width>
+    <width>757</width>
     <height>457</height>
    </rect>
   </property>
@@ -382,12 +382,12 @@
         </property>
         <item>
          <layout class="QGridLayout" name="gridLayout_34" columnstretch="0,1,1,1">
-          <property name="rightMargin">
-           <number>0</number>
-          </property>
           <property name="horizontalSpacing">
            <number>9</number>
           </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
           <item row="3" column="0">
            <widget class="QLabel" name="label_4">
             <property name="sizePolicy">
@@ -539,31 +539,6 @@
             </item>
            </widget>
           </item>
-          <item row="2" column="3">
-           <widget class="QComboBox" name="frskyBladesCB">
-            <property name="sizePolicy">
-             <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-              <horstretch>0</horstretch>
-              <verstretch>0</verstretch>
-             </sizepolicy>
-            </property>
-            <item>
-             <property name="text">
-              <string>2</string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>3</string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>4</string>
-             </property>
-            </item>
-           </widget>
-          </item>
           <item row="2" column="0">
            <widget class="QLabel" name="label_113">
             <property name="sizePolicy">
@@ -609,6 +584,28 @@
             </property>
            </widget>
           </item>
+          <item row="2" column="3">
+           <widget class="QDoubleSpinBox" name="bladesCount">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="decimals">
+             <number>0</number>
+            </property>
+            <property name="minimum">
+             <double>2.000000000000000</double>
+            </property>
+            <property name="maximum">
+             <double>5.000000000000000</double>
+            </property>
+            <property name="value">
+             <double>2.000000000000000</double>
+            </property>
+           </widget>
+          </item>
          </layout>
         </item>
        </layout>
diff --git a/companion/src/printdialog.cpp b/companion/src/printdialog.cpp
index 19a32b77b..05a0cb276 100644
--- a/companion/src/printdialog.cpp
+++ b/companion/src/printdialog.cpp
@@ -753,7 +753,7 @@ void printDialog::printFrSky()
   str.append("<tr><td colspan=10 align=\"Left\" height=\"4px\"></td></tr>");
   str.append("<tr><td colspan=2 align=\"Left\"><b>"+tr("Frsky serial protocol")+"</b></td><td colspan=8 align=\"left\">"+getFrSkyProtocol(fd->usrProto)+"</td></tr>");
   str.append("<tr><td colspan=2 align=\"Left\"><b>"+tr("System of units")+"</b></td><td colspan=8 align=\"left\">"+getFrSkyMeasure(fd->imperial)+"</td></tr>");
-  str.append("<tr><td colspan=2 align=\"Left\"><b>"+tr("Propeller blades")+"</b></td><td colspan=8 align=\"left\">"+getFrSkyBlades(fd->blades)+"</td></tr>");
+  str.append("<tr><td colspan=2 align=\"Left\"><b>"+tr("Blades")+"</b></td><td colspan=8 align=\"left\">"+fd->blades+"</td></tr>");
   str.append("<tr><td colspan=10 align=\"Left\" height=\"4px\"></td></tr></table>");
 #if 0
   if (GetEepromInterface()->getCapability(TelemetryBars) || (GetEepromInterface()->getCapability(TelemetryCSFields))) {
diff --git a/radio/src/.gitignore b/radio/src/.gitignore
index af2b25b2f..f296b655b 100644
--- a/radio/src/.gitignore
+++ b/radio/src/.gitignore
@@ -16,3 +16,4 @@
 /SOUNDS
 /LOGS
 /allsrc.cpp
+/BMP
diff --git a/radio/src/gui/menu_model.cpp b/radio/src/gui/menu_model.cpp
index d8fa2e543..288b6977e 100644
--- a/radio/src/gui/menu_model.cpp
+++ b/radio/src/gui/menu_model.cpp
@@ -14,7 +14,6 @@
  * - Pat Mackenzie
  * - Philip Moss
  * - Rob Thomson
- * - Romolo Manfredini <romolo.manfredini@gmail.com>
  * - Thomas Husterer
  *
  * opentx is based on code named
@@ -5591,7 +5590,7 @@ void menuModelTelemetry(uint8_t event)
 
       case ITEM_TELEMETRY_USR_BLADES:
         lcd_putsLeft(y, STR_BLADES);
-        lcd_outdezAtt(TELEM_COL2+FWNUM, y, 1+g_model.frsky.blades, attr);
+        lcd_outdezAtt(TELEM_COL2+FWNUM, y, 2+g_model.frsky.blades, attr);
 #if defined(CPUARM)
         if (attr) CHECK_INCDEC_MODELVAR(event, g_model.frsky.blades, MIN_BLADES, MAX_BLADES);
 #else