diff --git a/companion/src/firmwares/boards.cpp b/companion/src/firmwares/boards.cpp
index ee4edd921..a7896fdf4 100644
--- a/companion/src/firmwares/boards.cpp
+++ b/companion/src/firmwares/boards.cpp
@@ -276,15 +276,9 @@ const int Boards::getCapability(Board::Type board, Board::Capability capability)
       else if (IS_HORUS_X10(board))
         return 5;
       else if (IS_HORUS_X12S(board))
-        return 3;
-      else
-        return 3;
-
-    case PotsStorage:
-      if (IS_HORUS(board))
         return 5;
       else
-        return getCapability(board, Pots);
+        return 3;
 
     case FactoryInstalledPots:
       if (IS_TARANIS_X9(board))
@@ -300,12 +294,6 @@ const int Boards::getCapability(Board::Type board, Board::Capability capability)
       else
         return 0;
 
-    case SlidersStorage:
-      if (IS_HORUS_X10(board))
-        return 4;
-      else
-        return getCapability(board, Sliders);
-      
     case MouseAnalogs:
       if (IS_HORUS(board))
         return 2;
@@ -313,7 +301,7 @@ const int Boards::getCapability(Board::Type board, Board::Capability capability)
         return 0;
 
     case GyroAnalogs:
-      if (IS_HORUS_X12S(board) || IS_TARANIS_XLITES(board))
+      if (IS_TARANIS_XLITES(board))
         return 2;
       else
         return 0;
diff --git a/companion/src/firmwares/boards.h b/companion/src/firmwares/boards.h
index 545d06551..ee0c72f17 100644
--- a/companion/src/firmwares/boards.h
+++ b/companion/src/firmwares/boards.h
@@ -115,10 +115,8 @@ namespace Board {
   enum Capability {
     Sticks,
     Pots,
-    PotsStorage,
     FactoryInstalledPots,
     Sliders,
-    SlidersStorage,
     MouseAnalogs,
     GyroAnalogs,
     MaxAnalogs,
diff --git a/companion/src/firmwares/generalsettings.h b/companion/src/firmwares/generalsettings.h
index 2fb98e8e6..72cef8ccb 100644
--- a/companion/src/firmwares/generalsettings.h
+++ b/companion/src/firmwares/generalsettings.h
@@ -151,7 +151,7 @@ class GeneralSettings {
     int backgroundVolume;
     unsigned int mavbaud;
     unsigned int switchUnlockStates;
-    unsigned int hw_uartMode;  // UartModes
+    unsigned int auxSerialMode;  // UartModes
     unsigned int backlightColor;
     CustomFunctionData customFn[CPN_MAX_SPECIAL_FUNCTIONS];
     char switchName[CPN_MAX_SWITCHES][3+1];
diff --git a/companion/src/firmwares/modeldata.h b/companion/src/firmwares/modeldata.h
index 732434434..2d384415f 100644
--- a/companion/src/firmwares/modeldata.h
+++ b/companion/src/firmwares/modeldata.h
@@ -171,16 +171,16 @@ class ModelData {
     ExpoData  expoData[CPN_MAX_EXPOS];
 
     CurveData curves[CPN_MAX_CURVES];
-    LogicalSwitchData  logicalSw[CPN_MAX_LOGICAL_SWITCHES];
+    LogicalSwitchData logicalSw[CPN_MAX_LOGICAL_SWITCHES];
     CustomFunctionData customFn[CPN_MAX_SPECIAL_FUNCTIONS];
     SwashRingData swashRingData;
     unsigned int thrTraceSrc;
     uint64_t switchWarningStates;
     unsigned int switchWarningEnable;
     unsigned int potsWarningMode;
-    bool potsWarningEnabled[CPN_MAX_POTS];
-    int          potPosition[CPN_MAX_POTS];
-    bool         displayChecklist;
+    bool potsWarnEnabled[CPN_MAX_POTS];
+    int potsWarnPosition[CPN_MAX_POTS];
+    bool displayChecklist;
     GVarData gvarData[CPN_MAX_GVARS];
     MavlinkData mavlink;
     unsigned int telemetryProtocol;
diff --git a/companion/src/firmwares/opentx/opentxeeprom.cpp b/companion/src/firmwares/opentx/opentxeeprom.cpp
index 6a2a3f7f4..8b86c0f6d 100644
--- a/companion/src/firmwares/opentx/opentxeeprom.cpp
+++ b/companion/src/firmwares/opentx/opentxeeprom.cpp
@@ -42,12 +42,12 @@ inline int MAX_SWITCHES(Board::Type board, int version)
   return Boards::getCapability(board, Board::Switches);
 }
 
-inline int MAX_KNOBS(Board::Type board, int version)
+inline int POTS_CONFIG_SIZE(Board::Type board, int version)
 {
   if (version >= 219 && IS_HORUS(board))
-    return 8;
+    return 16;
 
-  return 4;
+  return 8;
 }
 
 inline int MAX_POTS(Board::Type board, int version)
@@ -61,7 +61,16 @@ inline int MAX_POTS_STORAGE(Board::Type board, int version)
 {
   if (version <= 218 && IS_HORUS(board))
     return 3;
-  return Boards::getCapability(board, Board::PotsStorage);
+  if (version >= 219 && IS_HORUS(board))
+    return 5;
+  return Boards::getCapability(board, Board::Pots);
+}
+
+inline int MAX_POTS_SOURCES(Board::Type board, int version)
+{
+  if (version <= 218 && IS_HORUS(board))
+    return 5;
+  return Boards::getCapability(board, Board::Pots);
 }
 
 inline int MAX_SLIDERS_STORAGE(Board::Type board, int version)
@@ -71,7 +80,14 @@ inline int MAX_SLIDERS_STORAGE(Board::Type board, int version)
   return Boards::getCapability(board, Board::Sliders);
 }
 
-inline int MAX_SLIDERS_SLOTS(Board::Type board, int version)
+inline int MAX_SLIDERS_SOURCES(Board::Type board, int version)
+{
+  if (version <= 218 && IS_HORUS(board))
+    return 2;
+  return Boards::getCapability(board, Board::Sliders);
+}
+
+inline int SLIDERS_CONFIG_SIZE(Board::Type board, int version)
 {
   if (version >= 219 && IS_HORUS(board))
     return 8;
@@ -79,19 +95,18 @@ inline int MAX_SLIDERS_SLOTS(Board::Type board, int version)
   return 4;
 }
 
-// bitsize of swconfig_t / 2 (see radio/src/datastructs.h)
-inline int MAX_SWITCH_SLOTS(Board::Type board, int version)
+inline int SWITCHES_CONFIG_SIZE(Board::Type board, int version)
 {
   if (IS_TARANIS_X9E(board))
-    return 32;
+    return 64;
 
   if (IS_HORUS(board))
-    return 16;
+    return 32;
   
   if (version >= 219 && IS_TARANIS_X9D(board))
-    return 16;
+    return 32;
 
-  return 8;
+  return 16;
 }
 
 inline int MAX_SWITCHES_POSITION(Board::Type board, int version)
@@ -258,7 +273,6 @@ std::list<SwitchesConversionTable::Cache> SwitchesConversionTable::internalCache
 #define FLAG_NOTELEMETRY  0x04
 
 class SourcesConversionTable: public ConversionTable {
-
   public:
     SourcesConversionTable(Board::Type board, unsigned int version, unsigned int variant, unsigned long flags=0)
     {
@@ -282,8 +296,7 @@ class SourcesConversionTable: public ConversionTable {
         }
       }
 
-      for (int i=0; i<CPN_MAX_STICKS+MAX_POTS_STORAGE(board, version)+Boards::getCapability(board, Board::SlidersStorage)+Boards::getCapability(board, Board::MouseAnalogs)+MAX_GYRO_ANALOGS(board, version); i++) {
-
+      for (int i=0; i<CPN_MAX_STICKS + MAX_POTS_SOURCES(board, version) + MAX_SLIDERS_SOURCES(board, version) + Boards::getCapability(board, Board::MouseAnalogs) + MAX_GYRO_ANALOGS(board, version); i++) {
         int offset = 0;
         if (version <= 218 && IS_HORUS(board) && i>=CPN_MAX_STICKS+MAX_POTS_STORAGE(board, version))
           offset += 2;
@@ -2433,13 +2446,17 @@ OpenTxModelData::OpenTxModelData(ModelData & modelData, Board::Type board, unsig
 
   for (int i=0; i<8; i++) {
     if (i < Boards::getCapability(board, Board::Pots) + Boards::getCapability(board, Board::Sliders))
-      internalField.Append(new BoolField<1>(this, modelData.potsWarningEnabled[i]));
+      internalField.Append(new BoolField<1>(this, modelData.potsWarnEnabled[i]));
     else
       internalField.Append(new SpareBitsField<1>(this));
   }
 
-  for (int i=0; i < Boards::getCapability(board, Board::Pots) + MAX_SLIDERS_STORAGE(board, version); i++) {
-    internalField.Append(new SignedField<8>(this, modelData.potPosition[i]));
+  for (int i=0; i < MAX_POTS_STORAGE(board, version) + MAX_SLIDERS_STORAGE(board, version); i++) {
+    internalField.Append(new SignedField<8>(this, modelData.potsWarnPosition[i]));
+  }
+
+  if (version <= 218 && IS_HORUS_X10(board)) {
+    internalField.Append(new SpareBitsField<16>(this));
   }
 
   if (IS_SKY9X(board)) {
@@ -2527,7 +2544,7 @@ OpenTxGeneralData::OpenTxGeneralData(GeneralSettings & generalData, Board::Type
   generalData(generalData),
   board(board),
   version(version),
-  inputsCount(CPN_MAX_STICKS + Boards::getCapability(board, Board::PotsStorage) + Boards::getCapability(board, Board::SlidersStorage) + Boards::getCapability(board, Board::MouseAnalogs))
+  inputsCount(CPN_MAX_STICKS + MAX_POTS_STORAGE(board, version) + MAX_SLIDERS_STORAGE(board, version) + Boards::getCapability(board, Board::MouseAnalogs))
 {
   qCDebug(eepromImport) << QString("OpenTxGeneralData::OpenTxGeneralData(board: %1, version:%2, variant:%3)").arg(board).arg(version).arg(variant);
 
@@ -2537,17 +2554,21 @@ OpenTxGeneralData::OpenTxGeneralData(GeneralSettings & generalData, Board::Type
   internalField.Append(new UnsignedField<8>(this, generalData.version));
   internalField.Append(new UnsignedField<16>(this, generalData.variant));
 
-  for (int i=0; i<inputsCount; i++) {
-    if (version <= 218 && IS_HORUS(board) && (i == CPN_MAX_STICKS + 3)) {
-      // skip not yet existing pots (EXT1 / EXT2 for X10)
-      i += 2;
+  for (int i=0, input=0; i<inputsCount; i++, input++) {
+    if (version <= 218 && IS_HORUS_X10(board) && (i == CPN_MAX_STICKS + 3)) {
+      input += 2;
     }
-    internalField.Append(new SignedField<16>(this, generalData.calibMid[i]));
-    internalField.Append(new SignedField<16>(this, generalData.calibSpanNeg[i]));
-    internalField.Append(new SignedField<16>(this, generalData.calibSpanPos[i]));
+    internalField.Append(new SignedField<16>(this, generalData.calibMid[input]));
+    internalField.Append(new SignedField<16>(this, generalData.calibSpanNeg[input]));
+    internalField.Append(new SignedField<16>(this, generalData.calibSpanPos[input]));
+  }
+
+  if (version <= 218 && IS_HORUS_X10(board)) {
+    internalField.Append(new SpareBitsField<16*6>(this));
   }
 
   internalField.Append(new UnsignedField<16>(this, chkSum));
+
   if (!IS_HORUS(board)) {
     internalField.Append(new UnsignedField<8>(this, generalData.currModelIndex));
     internalField.Append(new UnsignedField<8>(this, generalData.contrast));
@@ -2682,18 +2703,18 @@ OpenTxGeneralData::OpenTxGeneralData(GeneralSettings & generalData, Board::Type
   
   if (IS_STM32(board)) {
     if (version >= 218) {
-      internalField.Append(new UnsignedField<4>(this, generalData.hw_uartMode));
-      if (!IS_HORUS(board) || version < 219) {
-        for (uint8_t i=0; i<4; i++) {
+      internalField.Append(new UnsignedField<4>(this, generalData.auxSerialMode));
+      if (IS_HORUS(board) && version >= 219) {
+        internalField.Append(new SpareBitsField<4>(this));
+      }
+      else {
+        for (uint8_t i=0; i<SLIDERS_CONFIG_SIZE(board,version); i++) {
           internalField.Append(new UnsignedField<1>(this, generalData.sliderConfig[i]));
         }
       }
-      else {
-        internalField.Append(new SpareBitsField<4>(this));
-      }
     }
     else {
-      internalField.Append(new UnsignedField<6>(this, generalData.hw_uartMode));
+      internalField.Append(new UnsignedField<6>(this, generalData.auxSerialMode));
       if (IS_TARANIS_X9E(board)) {
         internalField.Append(new UnsignedField<1>(this, generalData.sliderConfig[2]));
         internalField.Append(new UnsignedField<1>(this, generalData.sliderConfig[3]));
@@ -2704,33 +2725,35 @@ OpenTxGeneralData::OpenTxGeneralData(GeneralSettings & generalData, Board::Type
     }
 
     if (IS_HORUS(board)) {
-      for (int i=0; i<MAX_SWITCH_SLOTS(board, version); i++) { // bits swconfig_t / 2
+      for (int i=0; i<SWITCHES_CONFIG_SIZE(board, version) / 2; i++) {
         if (i < MAX_SWITCHES(board, version))
           internalField.Append(new UnsignedField<2>(this, generalData.switchConfig[i]));
         else
           internalField.Append(new SpareBitsField<2>(this));
       }
     }
-    for (int i=0; i<MAX_KNOBS(board, version); i++) {
 
+    for (int i=0; i<POTS_CONFIG_SIZE(board, version) / 2; i++) {
       int offset = 0;
       // 2 new pots for Horus from 219 on
       if (version <= 218 && IS_HORUS(board) && (i >= 3))
         offset += 2;
       
-      if (i < Boards::getCapability(board, Board::PotsStorage))
+      if (i < MAX_POTS_STORAGE(board, version))
         internalField.Append(new UnsignedField<2>(this, generalData.potConfig[i+offset]));
       else
         internalField.Append(new SpareBitsField<2>(this));
     }
+    
     if (IS_HORUS(board) && version >= 219) {
-      for (int i=0; i<MAX_SLIDERS_SLOTS(board,version); i++) {
-        if (i <  Boards::getCapability(board, Board::SlidersStorage))
+      for (int i=0; i<SLIDERS_CONFIG_SIZE(board,version); i++) {
+        if (i < MAX_SLIDERS_STORAGE(board, version))
           internalField.Append(new UnsignedField<1>(this, generalData.sliderConfig[i]));
         else
           internalField.Append(new SpareBitsField<1>(this));
       }
     }    
+    
     if (!IS_HORUS(board)) {
       internalField.Append(new UnsignedField<8>(this, generalData.backlightColor));
     }
@@ -2769,13 +2792,16 @@ OpenTxGeneralData::OpenTxGeneralData(GeneralSettings & generalData, Board::Type
     for (int i=0; i<MAX_POTS_STORAGE(board, version); ++i) {
       internalField.Append(new ZCharField<3>(this, generalData.potName[i], "Pot name"));
     }
-    for (int i=0; i<Boards::getCapability(board, Board::SlidersStorage); ++i) {
+    for (int i=0; i<MAX_SLIDERS_STORAGE(board, version); ++i) {
       internalField.Append(new ZCharField<3>(this, generalData.sliderName[i], "Slider name"));
     }
+    if (version <= 218 && IS_HORUS_X10(board)) {
+      internalField.Append(new SpareBitsField<48>(this)); // DUMMY_ANAS
+    }
     internalField.Append(new CharField<17>(this, generalData.currModelFilename, true, "Current model filename"));
   }
   else if (IS_TARANIS(board)) {
-    for (int i=0; i<MAX_SWITCH_SLOTS(board, version); i++) {
+    for (int i=0; i<SWITCHES_CONFIG_SIZE(board,version) / 2; i++) {
       if (i < MAX_SWITCHES(board, version))
         internalField.Append(new UnsignedField<2>(this, generalData.switchConfig[i]));
       else
diff --git a/companion/src/generaledit/hardware.cpp b/companion/src/generaledit/hardware.cpp
index f33800635..2c5b3e199 100644
--- a/companion/src/generaledit/hardware.cpp
+++ b/companion/src/generaledit/hardware.cpp
@@ -153,7 +153,7 @@ HardwarePanel::HardwarePanel(QWidget * parent, GeneralSettings & generalSettings
   setupSwitchType(17, ui->srLabel, ui->srName, ui->srType);
 
   if (IS_TARANIS(board) && !IS_TARANIS_SMALL(board)) {
-    ui->serialPortMode->setCurrentIndex(generalSettings.hw_uartMode);
+    ui->serialPortMode->setCurrentIndex(generalSettings.auxSerialMode);
   }
   else {
     ui->serialPortMode->setCurrentIndex(0);
@@ -277,6 +277,6 @@ void HardwarePanel::on_txVoltageCalibration_editingFinished()
 
 void HardwarePanel::on_serialPortMode_currentIndexChanged(int index)
 {
-  generalSettings.hw_uartMode = index;
+  generalSettings.auxSerialMode = index;
   emit modified();
 }
diff --git a/companion/src/modeledit/setup.cpp b/companion/src/modeledit/setup.cpp
index 3e07a5f42..4626dbf97 100644
--- a/companion/src/modeledit/setup.cpp
+++ b/companion/src/modeledit/setup.cpp
@@ -199,7 +199,7 @@ ModulePanel::ModulePanel(QWidget * parent, ModelData & model, ModuleData & modul
       ui->trainerMode->setItemData(TRAINER_MODE_MASTER_CPPM_EXTERNAL_MODULE, 0, Qt::UserRole - 1);
       ui->trainerMode->setItemData(TRAINER_MODE_MASTER_SBUS_EXTERNAL_MODULE, 0, Qt::UserRole - 1);
     }
-    if (generalSettings.hw_uartMode != UART_MODE_SBUS_TRAINER) {
+    if (generalSettings.auxSerialMode != UART_MODE_SBUS_TRAINER) {
       ui->trainerMode->setItemData(TRAINER_MODE_MASTER_BATTERY_COMPARTMENT, 0, Qt::UserRole - 1);
     }
     ui->trainerMode->setCurrentIndex(model.trainerMode);
@@ -1387,7 +1387,7 @@ void SetupPanel::updatePotWarnings()
   for (int i=0; i<potWarningCheckboxes.size(); i++) {
     QCheckBox *checkbox = potWarningCheckboxes[i];
     int index = checkbox->property("index").toInt();
-    checkbox->setChecked(!model->potsWarningEnabled[index]);
+    checkbox->setChecked(!model->potsWarnEnabled[index]);
     checkbox->setDisabled(model->potsWarningMode == 0);
   }
   lock = false;
@@ -1397,7 +1397,7 @@ void SetupPanel::potWarningToggled(bool checked)
 {
   if (!lock) {
     int index = sender()->property("index").toInt();
-    model->potsWarningEnabled[index] = !checked;
+    model->potsWarnEnabled[index] = !checked;
     updatePotWarnings();
     emit modified();
   }
diff --git a/companion/src/modeledit/telemetry.cpp b/companion/src/modeledit/telemetry.cpp
index 5d6a23278..39a314fa7 100644
--- a/companion/src/modeledit/telemetry.cpp
+++ b/companion/src/modeledit/telemetry.cpp
@@ -939,7 +939,7 @@ void TelemetryPanel::setup()
       ui->telemetryProtocol->addItem(tr("FrSky S.PORT"), 0);
       ui->telemetryProtocol->addItem(tr("FrSky D"), 1);
       if (IS_9XRPRO(firmware->getBoard()) ||
-         (IS_TARANIS(firmware->getBoard()) && generalSettings.hw_uartMode == 2)) {
+         (IS_TARANIS(firmware->getBoard()) && generalSettings.auxSerialMode == 2)) {
         ui->telemetryProtocol->addItem(tr("FrSky D (cable)"), 2);
       }
       ui->telemetryProtocol->setCurrentIndex(model->telemetryProtocol);
diff --git a/companion/src/modelprinter.cpp b/companion/src/modelprinter.cpp
index 5b13a7e38..f343e4292 100644
--- a/companion/src/modelprinter.cpp
+++ b/companion/src/modelprinter.cpp
@@ -869,7 +869,7 @@ QString ModelPrinter::printPotWarnings()
     for (int i=0; i<board.getCapability(Board::Pots)+board.getCapability(Board::Sliders); i++) {
       RawSource src(SOURCE_TYPE_STICK, CPN_MAX_STICKS + i);
       if ((src.isPot(&genAryIdx) && generalSettings.isPotAvailable(genAryIdx)) || (src.isSlider(&genAryIdx) && generalSettings.isSliderAvailable(genAryIdx))) {
-        if (!model.potsWarningEnabled[i])
+        if (!model.potsWarnEnabled[i])
           str += src.toString(&model, &generalSettings);
       }
     }
diff --git a/companion/src/tests/conversions.cpp b/companion/src/tests/conversions.cpp
index 9d29c1998..753d3ba91 100644
--- a/companion/src/tests/conversions.cpp
+++ b/companion/src/tests/conversions.cpp
@@ -163,15 +163,15 @@ TEST(Conversions, ConversionX10From22)
   EXPECT_EQ(0, model.beepANACenter);
   EXPECT_EQ(80, model.mixData[0].weight);
   EXPECT_EQ(RawSource(SOURCE_TYPE_MAX), model.mixData[2].srcRaw); // MAX
-  EXPECT_EQ(RawSource(SOURCE_TYPE_STICK,4+5), model.mixData[3].srcRaw); // LS
-  EXPECT_EQ(RawSource(SOURCE_TYPE_PPM,0), model.mixData[5].srcRaw);
+  EXPECT_EQ(RawSource(SOURCE_TYPE_STICK, 4+5), model.mixData[3].srcRaw); // LS
+  EXPECT_EQ(RawSource(SOURCE_TYPE_PPM, 0), model.mixData[5].srcRaw);
   EXPECT_EQ(RawSwitch(SWITCH_TYPE_TELEMETRY,1), model.mixData[5].swtch);
   EXPECT_EQ(900, model.limitData[0].max); // -100
   EXPECT_EQ(80, model.expoData[0].weight);
   EXPECT_EQ(LS_FN_VPOS, model.logicalSw[0].func);
   EXPECT_EQ(RawSource(SOURCE_TYPE_PPM,0).toValue(), model.logicalSw[0].val1); // TR1
   EXPECT_EQ(0, model.logicalSw[0].val2);
-  EXPECT_EQ(RawSource(SOURCE_TYPE_TELEMETRY,19*3).toValue(), model.logicalSw[1].val1); // TELE:20
+  EXPECT_EQ(RawSource(SOURCE_TYPE_TELEMETRY, 19*3).toValue(), model.logicalSw[1].val1); // TELE:20
   EXPECT_EQ(20, model.logicalSw[1].val2);
   EXPECT_EQ(RawSwitch(SWITCH_TYPE_VIRTUAL,1).toValue(), model.logicalSw[1].andsw);
   EXPECT_EQ(HELI_SWASH_TYPE_120X, model.swashRingData.type);
diff --git a/radio/src/datastructs.h b/radio/src/datastructs.h
index fcac2169d..ed90126c9 100644
--- a/radio/src/datastructs.h
+++ b/radio/src/datastructs.h
@@ -656,7 +656,7 @@ PACK(struct TrainerData {
   #define SPLASH_MODE int8_t splashMode:3
 #endif
 
-#if defined(PCBXLITES) || defined(PCBHORUS)
+#if defined(PCBXLITES)
   #define GYRO_FIELDS \
     int8_t   gyroMax; \
     int8_t   gyroOffset;
@@ -931,7 +931,7 @@ static inline void check_struct()
   CHKSIZE(RadioData, 735);
   CHKSIZE(ModelData, 5301);
 #elif defined(PCBHORUS)
-  CHKSIZE(RadioData, 883);
+  CHKSIZE(RadioData, 881);
   CHKSIZE(ModelData, 9736);
 #endif
 
diff --git a/radio/src/storage/conversions/conversions_216_218.cpp b/radio/src/storage/conversions/conversions_216_218.cpp
index dc9c03f2f..ed1590026 100644
--- a/radio/src/storage/conversions/conversions_216_218.cpp
+++ b/radio/src/storage/conversions/conversions_216_218.cpp
@@ -524,14 +524,14 @@ PACK(typedef struct {
   ScriptData_v216 scriptsData[MAX_SCRIPTS]; \
   char inputNames[MAX_INPUTS][LEN_INPUT_NAME]; \
   uint8_t nPotsToWarn; \
-  int8_t potPosition[NUM_POTS+NUM_SLIDERS]; \
+  int8_t potsWarnPosition[NUM_POTS+NUM_SLIDERS]; \
   uint8_t spare[2];
 #elif defined(PCBSKY9X)
 #define MODELDATA_EXTRA_216 \
   uint8_t externalModule; \
   ModuleData_v216 moduleData[NUM_MODULES+1]; \
   uint8_t nPotsToWarn; \
-  int8_t potPosition[NUM_POTS+NUM_SLIDERS]; \
+  int8_t potsWarnPosition[NUM_POTS+NUM_SLIDERS]; \
   uint8_t rxBattAlarms[2];
 #endif
 
@@ -1070,7 +1070,7 @@ void convertModelData_216_to_217(ModelData &model)
 #endif
   newModel.potsWarnMode = oldModel.nPotsToWarn >> 6;
   newModel.potsWarnEnabled = oldModel.nPotsToWarn & 0x1f;
-  memcpy(newModel.potsWarnPosition, oldModel.potPosition, sizeof(newModel.potsWarnPosition));
+  memcpy(newModel.potsWarnPosition, oldModel.potsWarnPosition, sizeof(newModel.potsWarnPosition));
 }
 
 void convertModelData_217_to_218(ModelData &model)