Index: sources/view/settings/VSettings.cpp
===================================================================
diff -u -rc43d24c50f4344348d36d8ae9273797f4557356a -r3cd6cd8f835a684c2b335f8e8e14ac972d69b21f
--- sources/view/settings/VSettings.cpp	(.../VSettings.cpp)	(revision c43d24c50f4344348d36d8ae9273797f4557356a)
+++ sources/view/settings/VSettings.cpp	(.../VSettings.cpp)	(revision 3cd6cd8f835a684c2b335f8e8e14ac972d69b21f)
@@ -43,6 +43,7 @@
     PROPERTY_POST_CONNECTION(VSettings, userMode            );
     PROPERTY_POST_CONNECTION(VSettings, integratedBPCuff    );
     PROPERTY_POST_CONNECTION(VSettings, heparinSyringePump  );
+    PROPERTY_POST_CONNECTION(VSettings, chemicalDisinfection);
 
     init = true;
 }
@@ -87,6 +88,14 @@
     }
 }
 
+void VSettings::chemicalDisinfection_post(const bool &vchemicalDisinfection_post) {
+    //TODO  The Settings shall be the Singleton SettingsController and modify the MSettings like the others.
+    if ( Storage::Settings::save(chemicalDisinfectionGroup(), chemicalDisinfectionKey(), QString::number(vchemicalDisinfection_post)) != 0 ) {
+        chemicalDisinfection(false);
+        // FIXME: Notify UI with a message
+    }
+}
+
 void VSettings::alarmVolume_post(const quint8 &valarmVolume) {
     //TODO  The Settings shall be the Singleton SettingsController and modify the MSettings like the others.
     Storage::Settings::save(alarmVolumeGroup(), alarmVolumeKey(), QString::number(valarmVolume));
@@ -141,6 +150,12 @@
                         keyValue[key]       = mHeparinSyringePump ;
                         heparinSyringePump  ( mHeparinSyringePump );
                     }
+                    else if ( ischemicalDisinfection    (category, group, key) ) {
+                        bool mChemicalDisinfection;
+                        mChemicalDisinfection   = _Settings.value(category, group, key).toBool    ();
+                        keyValue[key]           = mChemicalDisinfection ;
+                        chemicalDisinfection    ( mChemicalDisinfection );
+                    }
                     else if ( isalarmVolume (category, group, key) ) {
                         quint8 mAlarmVolume;
                         mAlarmVolume    = _Settings.value(category, group, key).toInt     (); // returns 0 if fails, so no error checking needed.