pfeerick · Oct 31, 2026 · Oct 31, 2026 · Oct 31, 2026 · Oct 31, 2026
diff --git a/companion/src/firmwares/boardjson.cpp b/companion/src/firmwares/boardjson.cpp
@@ -238,6 +238,9 @@ const int BoardJson::getCapability(const Board::Capability capability) const
     case Board::StatusLedColors:
       return m_hardware.status_led_colors;
 
+    case Board::HasTrainerJackCrossover:
+      return m_hardware.trainer_jack_crossover;
+
     case Board::HasStatusLedPwm:
       return m_hardware.status_led_pwm;
 
@@ -1342,6 +1345,12 @@ bool BoardJson::loadFile(Board::Type board, QString hwdefn, InputsTable * inputs
     hardware.cpu_type = o.value("cpu_type").toString().toStdString();
   }
 
+  if (obj.value("trainer").isObject()) {
+    const QJsonObject &o = obj.value("trainer").toObject();
+
+    hardware.trainer_jack_crossover = o.value("trainer_jack_crossover").toBool();
+  }
+
   if (obj.value("identity").isObject()) {
     const QJsonObject &o = obj.value("identity").toObject();
 

diff --git a/companion/src/firmwares/boardjson.h b/companion/src/firmwares/boardjson.h
@@ -133,6 +133,7 @@ class BoardJson
       int has_int_module_support       = 0;
       int sport_max_baudrate           = 0;
       int surface                      = 0;
+      int trainer_jack_crossover       = 0;
       std::string cpu                  = "";
       std::string cpu_type             = "";
     };

diff --git a/companion/src/firmwares/boards.h b/companion/src/firmwares/boards.h
@@ -254,6 +254,7 @@ namespace Board {
     HasRTC,
     HasSDCard,
     HasSwitchableJack,
+    HasTrainerJackCrossover,
     HasTrainerModuleCPPM,
     HasTrainerModuleSBUS,
     HasVBat,

diff --git a/companion/src/firmwares/edgetx/yaml_generalsettings.cpp b/companion/src/firmwares/edgetx/yaml_generalsettings.cpp
@@ -263,6 +263,7 @@ Node convert<GeneralSettings>::encode(const GeneralSettings& rhs)
   node["disableTrainerPoweroffAlarm"] = (int)rhs.disableTrainerPoweroffAlarm;
   node["USBMode"] = rhs.usbMode;
   node["usbChargeDisabled"] = (int)rhs.usbChargeDisabled;
+  node["trainerTipOnly"] = rhs.trainerTipOnly;
   node["hatsMode"] = hatsModeLut << rhs.hatsMode;
   node["stickDeadZone"] = rhs.stickDeadZone;
   node["jackMode"] = rhs.jackMode;
@@ -558,6 +559,7 @@ bool convert<GeneralSettings>::decode(const Node& node, GeneralSettings& rhs)
   node["disableTrainerPoweroffAlarm"] >> rhs.disableTrainerPoweroffAlarm;
   node["USBMode"] >> rhs.usbMode;
   node["usbChargeDisabled"] >> rhs.usbChargeDisabled;
+  node["trainerTipOnly"] >> rhs.trainerTipOnly;
   node["hatsMode"] >> hatsModeLut >> rhs.hatsMode;
   node["stickDeadZone"] >> rhs.stickDeadZone;
   node["jackMode"] >> rhs.jackMode;

diff --git a/companion/src/firmwares/generalsettings.h b/companion/src/firmwares/generalsettings.h
@@ -319,6 +319,7 @@ class GeneralSettings {
     bool disableTrainerPoweroffAlarm;
     unsigned int usbMode;
     bool usbChargeDisabled;
+    unsigned int trainerTipOnly;
     unsigned int hatsMode;
     unsigned int stickDeadZone;
     unsigned int jackMode;

diff --git a/companion/src/generaledit/hardware.cpp b/companion/src/generaledit/hardware.cpp
@@ -225,6 +225,16 @@ HardwarePanel::HardwarePanel(QWidget * parent, GeneralSettings & generalSettings
     addParams();
   }
 
+  if (Boards::getCapability(board, Board::HasTrainerJackCrossover)) {
+    addLabel(tr("Trainer lead"));
+    AutoComboBox *trainerLead = new AutoComboBox(this);
+    trainerLead->addItem(tr("Crossover"), 0);
+    trainerLead->addItem(tr("Standard"), 1);
+    trainerLead->setField(generalSettings.trainerTipOnly, this);
+    params->append(trainerLead);
+    addParams();
+  }
+
   if (firmware->getCapability(BluetoothEnabled)) {
     addLabel(tr("Bluetooth"));
 

diff --git a/radio/src/boards/generic_stm32/trainer_ports.cpp b/radio/src/boards/generic_stm32/trainer_ports.cpp
@@ -29,12 +29,13 @@
 #include "dataconstants.h"
 
 #include "hal.h"
+#include "edgetx.h"
 
 __WEAK void board_trainer_init()
 {
 #if defined(TRAINER_DETECT_GPIO)
   gpio_init(TRAINER_DETECT_GPIO, GPIO_IN_PU, GPIO_PIN_SPEED_LOW);
-#endif  
+#endif
 
   trainer_init();
 }
@@ -63,11 +64,6 @@ static const stm32_pulse_timer_t trainerOutputTimer = {
   .DMA_TC_CallbackPtr = nullptr,
 };
 
-void trainer_init_dsc_out()
-{
-  trainer_init_output(&trainerOutputTimer);
-}
-
 static const stm32_pulse_timer_t trainerInputTimer = {
   .GPIO = TRAINER_IN_GPIO,
   .GPIO_Alternate = TRAINER_GPIO_AF,
@@ -82,6 +78,25 @@ static const stm32_pulse_timer_t trainerInputTimer = {
   .DMA_TC_CallbackPtr = nullptr,
 };
 
+#if defined(TRAINER_JACK_CROSSOVER)
+// Trainer in is on the jack tip and out on the ring, for the crossover lead
+// the radio ships with. A mono lead grounds the ring, so optionally send on
+// the tip (the input pin) as well.
+static_assert(__IS_TRAINER_TIMER_OUT_CHANNEL_SUPPORTED(TRAINER_IN_TIMER_Channel),
+              "Unsupported trainer timer input channel for tip-only output");
+#endif
+
+void trainer_init_dsc_out()
+{
+#if defined(TRAINER_JACK_CROSSOVER)
+  if (g_eeGeneral.trainerTipOnly) {
+    trainer_init_output(&trainerInputTimer);
+    return;
+  }
+#endif
+  trainer_init_output(&trainerOutputTimer);
+}
+
 void trainer_init_dsc_in()
 {
   trainer_init_capture(&trainerInputTimer);

diff --git a/radio/src/boards/hw_defs/el18.json b/radio/src/boards/hw_defs/el18.json
@@ -404,6 +404,7 @@
     "trainer_timer_irqn": "TIM4_IRQn",
     "trainer_timer_irqhandler": "TIM4_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_2",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/nb4p.json b/radio/src/boards/hw_defs/nb4p.json
@@ -267,6 +267,7 @@
     "trainer_timer_irqn": "TIM4_IRQn",
     "trainer_timer_irqhandler": "TIM4_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_2",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/nv14.json b/radio/src/boards/hw_defs/nv14.json
@@ -404,6 +404,7 @@
     "trainer_timer_irqn": "TIM4_IRQn",
     "trainer_timer_irqhandler": "TIM4_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_2",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/pa01.json b/radio/src/boards/hw_defs/pa01.json
@@ -392,6 +392,7 @@
     "trainer_timer_irqn": "TIM1_CC_IRQn",
     "trainer_timer_irqhandler": "TIM1_CC_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_1",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/pl18.json b/radio/src/boards/hw_defs/pl18.json
@@ -390,6 +390,7 @@
     "trainer_timer_irqn": "TIM4_IRQn",
     "trainer_timer_irqhandler": "TIM4_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_2",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/pl18ev.json b/radio/src/boards/hw_defs/pl18ev.json
@@ -434,6 +434,7 @@
     "trainer_timer_irqn": "TIM4_IRQn",
     "trainer_timer_irqhandler": "TIM4_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_2",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/pl18u.json b/radio/src/boards/hw_defs/pl18u.json
@@ -407,6 +407,7 @@
     "trainer_timer_irqn": "TIM4_IRQn",
     "trainer_timer_irqhandler": "TIM4_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_2",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   }
 }
diff --git a/radio/src/boards/hw_defs/st16.json b/radio/src/boards/hw_defs/st16.json
@@ -511,15 +511,16 @@
     "usb_gpio_af": "GPIO_AF10"
   },
   "trainer": {
-    "trainer_in_gpio": "GPIO_PIN(GPIOE, 5)",
-    "trainer_in_timer_channel": "LL_TIM_CHANNEL_CH1",
-    "trainer_out_gpio": "GPIO_PIN(GPIOE, 6)",
-    "trainer_out_timer_channel": "LL_TIM_CHANNEL_CH2",
+    "trainer_in_gpio": "GPIO_PIN(GPIOE, 6)",
+    "trainer_in_timer_channel": "LL_TIM_CHANNEL_CH2",
+    "trainer_out_gpio": "GPIO_PIN(GPIOE, 5)",
+    "trainer_out_timer_channel": "LL_TIM_CHANNEL_CH1",
     "trainer_timer": "TIM15",
     "trainer_timer_irqn": "TIM15_IRQn",
     "trainer_timer_irqhandler": "TIM15_IRQHandler",
     "trainer_gpio_af": "LL_GPIO_AF_4",
-    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)"
+    "trainer_timer_freq": "(PERI1_FREQUENCY * TIMER_MULT_APB1)",
+    "trainer_jack_crossover": true
   },
   "key_lock_combo": [
     "KEY_EXIT",

diff --git a/radio/src/datastructs_private.h b/radio/src/datastructs_private.h
@@ -1219,13 +1219,16 @@ PACK(struct RadioData {
   // Radio level tabs control (global settings)
   NOBACKUP(uint8_t modelSelectLayout:2);
   NOBACKUP(uint8_t radioThemesDisabled:1);
+  // 0 = trainer in/out on their own jack contacts (crossover lead, default),
+  // 1 = both on the tip (mono / straight lead). TRAINER_JACK_CROSSOVER only
+  NOBACKUP(uint8_t trainerTipOnly:1);
 #if defined(USB_CHARGE_CONTROL)
   // 0 = charge while USB active (default), 1 = hold the charger off while USB
   // is plugged in SD/Joystick/VCP mode
   NOBACKUP(uint8_t usbChargeDisabled:1);
-  NOBACKUP(uint8_t spare:6 SKIP);
+  NOBACKUP(uint8_t spare:5 SKIP);
 #else
-  NOBACKUP(uint8_t spare:7 SKIP);
+  NOBACKUP(uint8_t spare:6 SKIP);
 #endif
 #elif LCD_W == 128
   uint8_t invertLCD:1;          // Invert B&W LCD display

diff --git a/radio/src/gui/colorlcd/radio/radio_hardware.cpp b/radio/src/gui/colorlcd/radio/radio_hardware.cpp
@@ -22,6 +22,7 @@
 #include "radio_hardware.h"
 
 #include "edgetx.h"
+#include "choice.h"
 #include "getset_helpers.h"
 #include "hal/adc_driver.h"
 #include "hw_extmodule.h"
@@ -165,6 +166,21 @@ const static SetupLineDef setupLines[] = {
       new ToggleSwitch(parent, {x, y, 0, 0}, GET_SET_DEFAULT(g_eeGeneral.audioMuteEnable));
     }
   },
+#endif
+#if defined(TRAINER_JACK_CROSSOVER)
+  {
+    // Trainer jack wiring: crossover lead vs mono / straight lead
+    STR_DEF(STR_TRAINER_JACK_MODE),
+    [](Window* parent, coord_t x, coord_t y) {
+      new Choice(parent, {x, y, 0, 0}, STR_TRAINER_JACK_MODES, 0, 1,
+                 GET_DEFAULT(g_eeGeneral.trainerTipOnly), [=](int32_t newValue) {
+                   g_eeGeneral.trainerTipOnly = newValue;
+                   SET_DIRTY();
+                   // restarted on the new contacts by checkTrainerSettings()
+                   stopTrainer();
+                 });
+    }
+  },
 #endif
   {nullptr, nullptr},
 };

diff --git a/radio/src/storage/yaml/yaml_datastructs_c14.cpp b/radio/src/storage/yaml/yaml_datastructs_c14.cpp
@@ -474,7 +474,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_f16.cpp b/radio/src/storage/yaml/yaml_datastructs_f16.cpp
@@ -475,7 +475,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_gx15.cpp b/radio/src/storage/yaml/yaml_datastructs_gx15.cpp
@@ -498,8 +498,9 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
   YAML_UNSIGNED( "usbChargeDisabled", 1 ),
-  YAML_PADDING( 6 ),
+  YAML_PADDING( 5 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_h17.cpp b/radio/src/storage/yaml/yaml_datastructs_h17.cpp
@@ -469,7 +469,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_nb4p.cpp b/radio/src/storage/yaml/yaml_datastructs_nb4p.cpp
@@ -465,7 +465,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_nv14.cpp b/radio/src/storage/yaml/yaml_datastructs_nv14.cpp
@@ -465,7 +465,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ARRAY("keyShortcuts", 8, 6, struct_KeyShortcut, NULL),
   YAML_ARRAY("qmFavorites", 8, 12, struct_QMFavorite, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_pa01.cpp b/radio/src/storage/yaml/yaml_datastructs_pa01.cpp
@@ -498,7 +498,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_pl18.cpp b/radio/src/storage/yaml/yaml_datastructs_pl18.cpp
@@ -472,7 +472,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_pl18u.cpp b/radio/src/storage/yaml/yaml_datastructs_pl18u.cpp
@@ -465,7 +465,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_st16.cpp b/radio/src/storage/yaml/yaml_datastructs_st16.cpp
@@ -498,7 +498,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_t15.cpp b/radio/src/storage/yaml/yaml_datastructs_t15.cpp
@@ -483,7 +483,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_t15h7.cpp b/radio/src/storage/yaml/yaml_datastructs_t15h7.cpp
@@ -498,7 +498,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),

diff --git a/radio/src/storage/yaml/yaml_datastructs_t15pro.cpp b/radio/src/storage/yaml/yaml_datastructs_t15pro.cpp
@@ -498,7 +498,8 @@ static const struct YamlNode struct_RadioData[] = {
   YAML_UNSIGNED( "favMultiMode", 1 ),
   YAML_UNSIGNED( "modelSelectLayout", 2 ),
   YAML_UNSIGNED( "radioThemesDisabled", 1 ),
-  YAML_PADDING( 7 ),
+  YAML_UNSIGNED( "trainerTipOnly", 1 ),
+  YAML_PADDING( 6 ),
   YAML_UNSIGNED( "pwrOffIfInactive", 8 ),
   YAML_ENUM("statusLedError", 2, enum_StatusLedColor, NULL),
   YAML_ENUM("statusLedReady", 2, enum_StatusLedColor, NULL),