Index: sources/device/DeviceModels.h
===================================================================
diff -u -r27cc308ff5113a9386899d3c8f8b29962a8498e1 -r23eda7b49841f242485b70d0a96f4bdde50f71bc
--- sources/device/DeviceModels.h	(.../DeviceModels.h)	(revision 27cc308ff5113a9386899d3c8f8b29962a8498e1)
+++ sources/device/DeviceModels.h	(.../DeviceModels.h)	(revision 23eda7b49841f242485b70d0a96f4bdde50f71bc)
@@ -20,6 +20,7 @@
 // Project
 #include "MAbstract.h"
 #include "types.h"
+#include "DeviceError.h"
 
 
 // forward declarations
@@ -87,15 +88,20 @@
 // TODO : Merge the two models as they have much in common in this case.
 //        On the CANBus it was separated since the type of data in send and receive was totally different.
 //        But here it's the same.
+    // TODO: improve later - this has to be match with HW2UI in response
+    QMap<quint8, quint8> UI2HW = { // has to map to keep the order
+        { 20,  1},
+        { 40,  3},
+        { 60,  5},
+        { 80,  6},
+        {100, 10},
+    };
 public:
     // TODO : these needs to be available in Views
     static const quint8 mBrightness_min    =  2;
     static const quint8 mBrightness_max    = 10;
     static const quint8 mBrightness_res    =  2;
 
-    // TODO : Add these two as virtual in parent.
-    quint8 toDV (quint8) { return 0; /* Place Holder (/ 10) */ }
-    quint8 toUI (quint8) { return 0; /* Place Holder (* 10) */ }
 
     struct Data {
         quint8 mBrightness_old          = mBrightness_min   ;
@@ -105,6 +111,8 @@
         bool   mRead                = false;
     } _data;
 
+    Device::DeviceError::Scripts_Error_Enum setBrightnessSysVal();
+
     QString toString() {
         return MDeviceRequestBase::toString("DeviceBrightness", { _data.mBrightnessPercent });
     }
@@ -115,14 +123,25 @@
  * \details The model for the device brightness value request.
  */
 class MDeviceBrightnessResponse : public MDeviceResponseBase {
+    // TODO: improve later - this has to be match with UI2HW in request
+    QMap<quint8, quint8> HW2UI = { // has to map to keep the order
+        {  1,  20},
+        {  3,  40},
+        {  5,  60},
+        {  6,  80},
+        { 10, 100},
+    };
+
 public:
     struct Data : MDeviceResponseBase::Data {
         quint8 mBrightnessPercent = 0;
     } _data;
 
     QVariantList parameters () const override { return { _data.mBrightnessPercent }; }
-    QString     infoText    () const override { return QString("DeviceBrightness") ; }
-    Data        data        () const          { return _data; }
+    QString      infoText   () const override { return QString("DeviceBrightness") ; }
+    Data         data       () const          { return _data; }
+
+    Device::DeviceError::Scripts_Error_Enum setBrightnessPercent(quint8 vSysVal);
 };
 
 // ---------- MDeviceBluetoothPaired 'Reset' <Request/Response> ---------- //