Index: sources/canbus/MessageDispatcher.cpp
===================================================================
diff -u -rd949be21f2a9badd0978dddaaf436f6805de28dc -r6e6ec6822b82c77bb4942c9f4061e860d1a70f85
--- sources/canbus/MessageDispatcher.cpp	(.../MessageDispatcher.cpp)	(revision d949be21f2a9badd0978dddaaf436f6805de28dc)
+++ sources/canbus/MessageDispatcher.cpp	(.../MessageDispatcher.cpp)	(revision 6e6ec6822b82c77bb4942c9f4061e860d1a70f85)
@@ -349,7 +349,7 @@
 void MessageDispatcher::onAdjustment(const AdjustHDAlarmVolumeRequestData &vData)
 {
     QVariantList mData;
-    mData += vData.volume2HD();
+    mData += vData.volume();
     onActionTransmit(GuiActionType::ID_AlarmVolumeSetReq, mData);
 }
 
Index: sources/gui/qml/pages/settings/SettingsVolumeBrightness.qml
===================================================================
diff -u -rf6b80a12cbbf42bea4448b9f8424350f5496d624 -r6e6ec6822b82c77bb4942c9f4061e860d1a70f85
--- sources/gui/qml/pages/settings/SettingsVolumeBrightness.qml	(.../SettingsVolumeBrightness.qml)	(revision f6b80a12cbbf42bea4448b9f8424350f5496d624)
+++ sources/gui/qml/pages/settings/SettingsVolumeBrightness.qml	(.../SettingsVolumeBrightness.qml)	(revision 6e6ec6822b82c77bb4942c9f4061e860d1a70f85)
@@ -50,8 +50,8 @@
                 anchors.verticalCenter: parent.verticalCenter
                 width   : 500
                 step    : 1    // no zero
-                minimum : 1    // 1
-                maximum : 5   // 10
+                minimum : 1
+                maximum : 5
                 ticks   : true
                 unit    : ""
                 onReleased  : vDevice.brightness = _brightness.value
@@ -82,8 +82,8 @@
                 anchors.verticalCenter: parent.verticalCenter
                 width   : 500
                 step    : 1    // no zero
-                minimum : 1    // 1
-                maximum : 5   // 5
+                minimum : 1
+                maximum : 5
                 ticks   : true
                 unit    : ""
                 onReleased  : {
Index: sources/model/hd/adjustment/settings/MAdjustHDRequests.h
===================================================================
diff -u -r53b262fea2d4b5bd78ff878fda0848f3737e7b74 -r6e6ec6822b82c77bb4942c9f4061e860d1a70f85
--- sources/model/hd/adjustment/settings/MAdjustHDRequests.h	(.../MAdjustHDRequests.h)	(revision 53b262fea2d4b5bd78ff878fda0848f3737e7b74)
+++ sources/model/hd/adjustment/settings/MAdjustHDRequests.h	(.../MAdjustHDRequests.h)	(revision 6e6ec6822b82c77bb4942c9f4061e860d1a70f85)
@@ -75,16 +75,10 @@
  */
 class MAdjustHDAlarmVolumeReq : public MModel {
 
-    const int hw2ui = 20; // HD vol range is [1-5] and we show [20%-100%] to user (100 / 5).
-    quint32 _volume =100; // values in range of [20, 40, 60, 80, 100] or [1..5]*20
+    quint32 _volume = 5; // HD vol range is [1-5]
 
 public:
-
-    quint32 volume2HD() const {
-        return _volume / hw2ui;
-    }
-
-    quint32 volume() {
+    quint32 volume() const{
         return _volume;
     }
     void volume(quint32 vVolume) {
Index: sources/view/settings/VSettings.h
===================================================================
diff -u -rd949be21f2a9badd0978dddaaf436f6805de28dc -r6e6ec6822b82c77bb4942c9f4061e860d1a70f85
--- sources/view/settings/VSettings.h	(.../VSettings.h)	(revision d949be21f2a9badd0978dddaaf436f6805de28dc)
+++ sources/view/settings/VSettings.h	(.../VSettings.h)	(revision 6e6ec6822b82c77bb4942c9f4061e860d1a70f85)
@@ -64,7 +64,7 @@
     PROPERTY(QVariantMap    , instructions  , {}        )
 
     SETTINGS(QString        , servicePass   , ""    , Storage::Settings_Category_SettingsSystem , "Service"     , "Password"                        )
-    SETTINGS(quint8         , alarmVolume   , 100   , Storage::Settings_Category_SettingsSystem , "Alarm"       , "Volume"                          )
+    SETTINGS(quint8         , alarmVolume   , 5     , Storage::Settings_Category_SettingsSystem , "Alarm"       , "Volume"                          )
     SETTINGS(bool           , roWaterMode   , false , Storage::Settings_Category_SettingsSystem , "RoWaterMode" , "RoWaterMode"                     )
     SETTINGS(bool           , noCANBus      , false , Storage::Settings_Category_NoCANBus       , "Navigation"  , "Create Treatment To Patient ID"  )