Better pre-cal dialog text

src/AutoPilotPlugins/PX4/SensorsComponent.qml

@@ -30,7 +30,7 @@ QGCView {
     readonly property string boardRotationText: qsTr("If the orientation is in the direction of flight, select ROTATION_NONE.")
     readonly property string compassRotationText: qsTr("If the orientation is in the direction of flight, select ROTATION_NONE.")
 
-    readonly property string compassHelp:   qsTr("For Compass calibration you will need to rotate your vehicle through a number of positions. Most users prefer to do this wirelessly with the telemetry link.")
+    readonly property string compassHelp:   qsTr("For Compass calibration you will need to rotate your vehicle through a number of positions.")
     readonly property string gyroHelp:      qsTr("For Gyroscope calibration you will need to place your vehicle on a surface and leave it still.")
     readonly property string accelHelp:     qsTr("For Accelerometer calibration you will need to place your vehicle on all six sides on a perfectly level surface and hold it still in each orientation for a few seconds.")
     readonly property string levelHelp:     qsTr("To level the horizon you need to place the vehicle in its level flight position and press OK.")
@@ -160,8 +160,8 @@ QGCView {
             }
 
             Column {
-                anchors.fill: parent
-                spacing:                5
+                anchors.fill:   parent
+                spacing:        5
 
                 QGCLabel {
                     width:      parent.width
@@ -170,17 +170,25 @@ QGCView {
                 }
 
                 QGCLabel {
+                    id:         boardRotationHelp
                     width:      parent.width
                     wrapMode:   Text.WordWrap
                     visible:    (preCalibrationDialogType != "airspeed") && (preCalibrationDialogType != "gyro")
                     text:       boardRotationText
                 }
 
-                FactComboBox {
-                    width:      rotationColumnWidth
-                    model:      rotations
-                    visible:    preCalibrationDialogType != "airspeed" && (preCalibrationDialogType != "gyro")
-                    fact:       sens_board_rot
+                Column {
+                    visible:    boardRotationHelp.visible
+                    QGCLabel {
+                        text: qsTr("Autopilot Orientation:")
+                    }
+
+                    FactComboBox {
+                        id:     boardRotationCombo
+                        width:  rotationColumnWidth;
+                        model:  rotations
+                        fact:   sens_board_rot
+                    }
                 }
             }
         }