Index: sources/view/settings/VSettings.h
===================================================================
diff -u -ra7aab61ca63538c37b6931c60252680fc2ec2416 -rcba8451ac737fb0b618173a4bea37411fdaaf824
--- sources/view/settings/VSettings.h	(.../VSettings.h)	(revision a7aab61ca63538c37b6931c60252680fc2ec2416)
+++ sources/view/settings/VSettings.h	(.../VSettings.h)	(revision cba8451ac737fb0b618173a4bea37411fdaaf824)
@@ -30,7 +30,8 @@
 class VSettings : public QObject
 {
     Q_OBJECT
-    const QString _advancedPrefix = "@";
+    const QString _advancedPrefix   = "@";
+    const QString _hdfPrefix        = "$";
     const QString _location = QString(Storage::Settings_Category_InstructionsImagesLoc).arg(Storage::Settings_Path());
     typedef QList<QStringList> TKeysList;
     typedef struct {
@@ -104,6 +105,8 @@
                                                                                                             .arg(vSecond.isEmpty() ?    QString("%1").arg(vFirst) :
                                                                                                                                         QString("%1^%2").arg(vFirst, vSecond)); }
 
+    QString groupModalityFormat (const QString &vFirst, const bool &vHDF) { return QString("%1%2").arg(vHDF ? _hdfPrefix : "").arg(vFirst); }
+
 private slots:
     void onActionReceive (GuiActionType vAction, const QVariantList &vData);