Index: sources/model/hd/adjustment/settings/MAdjustHDRequests.h
===================================================================
diff -u -ra89b5249df072be403141463d7d88728b66a848e -r13d6a4fae2f910ab6e289ac9280258a94f734405
--- sources/model/hd/adjustment/settings/MAdjustHDRequests.h	(.../MAdjustHDRequests.h)	(revision a89b5249df072be403141463d7d88728b66a848e)
+++ sources/model/hd/adjustment/settings/MAdjustHDRequests.h	(.../MAdjustHDRequests.h)	(revision 13d6a4fae2f910ab6e289ac9280258a94f734405)
@@ -85,7 +85,68 @@
         return MModel::toString("AdjustHDAlarmVolume", vParameters);
     }
 };
+
+/*!
+ * \brief   The MAdjustVersionsReq class
+ * \details The DG/HD versions request model
+ *
+ * |   MSG  | CAN ID | Type | Ack | Src | Dest | Description |
+ * |:------:|:------:|:----:|:---:|:---:|:----:|:-----------:|
+ * | 0x1C00 | 0x200  | Req  | Y   | UI  | All  | DG/HD Versions/SN Request |
+ *
+ * | Payload  ||
+ * |          ||
+ * |  (N/A)   ||
+ *
+ */
+class MAdjustVersionsReq : public MModel {
+public:
+
+    // coco begin validated : Has been validated manually.
+    // This object is used statically for now, kept the logic for later usage.
+    QString toString() {
+        return toString({});
+    }
+    // coco end
+    static QString toString(const QVariantList &vParameters) {
+        return MModel::toString("Version", vParameters);
+    }
+
+    static Can::Can_Id canid () { return Can::eChlid_UI_Sync; }
+};
+
+/*!
+ * \brief   The MAdjustServiceReq class
+ * \details The DG/HD versions request model
+ *
+ * |   MSG  | CAN ID | Type | Ack | Src | Dest | Description                 |
+ * |:------:|:------:|:----:|:---:|:---:|:----:|:---------------------------:|
+ * | 0x8900 | 0x200  | Req  | Y   | UI  | All  | DG/HD Service Dates Request |
+ *
+ * | Payload  ||
+ * |          ||
+ * |   (N/A)  ||
+ *
+ */
+class MAdjustServiceReq : public MModel {
+public:
+
+    // coco begin validated : Has been validated manually.
+    // This object is used statically for now, kept the logic for later usage.
+    QString toString() {
+        return toString({});
+    }
+    // coco end
+    static QString toString(const QVariantList &vParameters) {
+        return MModel::toString("ServiceDates", vParameters);
+    }
+
+    static Can::Can_Id canid () { return Can::eChlid_UI_Sync; }
+};
+
 }
 
-typedef Model::MAdjustHDDateTimeReq     AdjustHDDateTimeRequestData     ;
-typedef Model::MAdjustHDAlarmVolumeReq  AdjustHDAlarmVolumeRequestData  ;
+typedef Model::     MAdjustVersionsReq       AdjustVersionsRequestData;
+typedef Model::      MAdjustServiceReq        AdjustServiceRequestData;
+typedef Model::   MAdjustHDDateTimeReq     AdjustHDDateTimeRequestData;
+typedef Model::MAdjustHDAlarmVolumeReq  AdjustHDAlarmVolumeRequestData;