private void loadGlobalSettings(FbxElement element) {
        for(FbxElement e2 : element.getFbxProperties()) {
            String propName = (String) e2.properties.get(0);
            switch(propName) {
            case "UnitScaleFactor":
                this.unitSize = ((Double) e2.properties.get(4)).floatValue();
                break;
            case "CustomFrameRate":
                float framerate = ((Double) e2.properties.get(4)).floatValue();
                if(framerate != -1)
                    this.animFrameRate = framerate;
                break;
            case "UpAxisSign":
                this.yAxis = ((Integer) e2.properties.get(4)).intValue();
                break;
            case "FrontAxisSign":
                this.zAxis = ((Integer) e2.properties.get(4)).intValue();
                break;
            case "CoordAxisSign":
                this.xAxis = ((Integer) e2.properties.get(4)).intValue();
                break;
            }
        }
    }
FBX file format loader
<p> Loads scene meshes, materials, textures, skeleton and skeletal animation.
Multiple animations can be defined with {@link AnimationList} passing into {@link SceneKey}
or loaded from different animation layer.</p>
jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/SceneLoader.java