diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java
index 0c331b8eb7..5469e8e0b8 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboFragment.java
@@ -33,7 +33,7 @@ public class ComboFragment extends Fragment implements View.OnClickListener {
     }
 
     private Button refresh;
-    private Button testButton;
+    private TextView updateCapabilities;
 
     private TextView statusText;
 
@@ -46,13 +46,15 @@ public class ComboFragment extends Fragment implements View.OnClickListener {
     private TextView lastCmdTimeText;
     private TextView lastCmdResultText;
 
+    private TextView tbrCapabilityText;
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.combopump_fragment, container, false);
 
         refresh = (Button) view.findViewById(R.id.combo_refresh);
-        testButton = (Button) view.findViewById(R.id.combo_testaction);
+        updateCapabilities = (TextView) view.findViewById(R.id.combo_update_capabilities);
 
         statusText = (TextView) view.findViewById(R.id.combo_status);
 
@@ -64,9 +66,10 @@ public class ComboFragment extends Fragment implements View.OnClickListener {
         lastCmdText = (TextView) view.findViewById(R.id.combo_last_command);
         lastCmdTimeText = (TextView) view.findViewById(R.id.combo_last_command_time);
         lastCmdResultText = (TextView) view.findViewById(R.id.combo_last_command_result);
+        tbrCapabilityText = (TextView) view.findViewById(R.id.combo_tbr_capability);
 
         refresh.setOnClickListener(this);
-        testButton.setOnClickListener(this);
+        updateCapabilities.setOnClickListener(this);
 
         updateGUI();
         return view;
@@ -102,11 +105,29 @@ public class ComboFragment extends Fragment implements View.OnClickListener {
                 });
                 thread.start();
                 break;
-            case R.id.combo_testaction:
+            case R.id.combo_update_capabilities:
                 (new Thread(new Runnable() {
                     @Override
                     public void run() {
-                        getPlugin().doTestAction();
+                        Activity activity = getActivity();
+                        if (activity != null)
+                            activity.runOnUiThread(new Runnable() {
+                                @Override
+                                public void run() {
+                                    updateCapabilities.setText("{fa-bluetooth}");
+                                }
+                            });
+
+                        getPlugin().updateCapabilities();
+
+                        if (activity != null)
+                            activity.runOnUiThread(new Runnable() {
+                                @Override
+                                public void run() {
+                                    updateCapabilities.setText("{fa-bluetooth-b}");
+                                }
+                            });
+
                     }
                 })).start();
                 break;
@@ -151,7 +172,9 @@ public class ComboFragment extends Fragment implements View.OnClickListener {
                         } else {
                             lastCmdResultText.setText("");
                         }
+
                     }
+                    tbrCapabilityText.setText(getPlugin().getPumpDescription().maxTempPercent + "%");
                 }
             });
     }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java
index ce76f7df8a..d14abd580f 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpCombo/ComboPlugin.java
@@ -621,19 +621,23 @@ public class ComboPlugin implements PluginBase, PumpInterface {
     }
 
 
-    public void doTestAction() {
-        ToastUtils.showToastInUiThread(MainApp.instance(), "TestAction called");
+    public void updateCapabilities() {
 
         // if Android is sluggish this might get called before ruffy is bound
         if (ruffyScripter == null) {
             log.warn("Rejecting call to RefreshDataFromPump: ruffy service not bound (yet)");
-            ToastUtils.showToastInUiThread(MainApp.instance(), "Rejecting call to RefreshDataFromPump: ruffy service not bound (yet)");
-
+            ToastUtils.showToastInUiThread(MainApp.instance(), "Ruffy not initialized.");
+            return;
+        }
+        if (isBusy()){
+            ToastUtils.showToastInUiThread(MainApp.instance(), "Pump busy!");
             return;
         }
         CommandResult result = runCommand(new DetermineCapabilitiesCommand());
         if (result.success){
-            ToastUtils.showToastInUiThread(MainApp.instance(), "max%: " + result.capabilities.maxTempPercent);
+            //TODO: write to settings result.capabilities.maxTempPercent
+            pumpDescription.maxTempPercent = (int) result.capabilities.maxTempPercent;
+            MainApp.bus().post(new EventComboPumpUpdateGUI());
         } else {
             ToastUtils.showToastInUiThread(MainApp.instance(), "No success with test Command.");
         }
diff --git a/app/src/main/res/layout/combopump_fragment.xml b/app/src/main/res/layout/combopump_fragment.xml
index d076925740..5e7a352127 100644
--- a/app/src/main/res/layout/combopump_fragment.xml
+++ b/app/src/main/res/layout/combopump_fragment.xml
@@ -20,13 +20,6 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:text="Refresh" />
-            <Button
-                android:id="@+id/combo_testaction"
-                style="?android:attr/buttonStyle"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:text="Test Action" />
-
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
@@ -151,6 +144,7 @@
                     android:textColor="@android:color/white"
                     android:textSize="14sp" />
 
+
             </LinearLayout>
 
             <View
@@ -379,6 +373,62 @@
 
             </LinearLayout>
 
+            <View
+                android:layout_width="fill_parent"
+                android:layout_height="2dip"
+                android:layout_marginBottom="5dp"
+                android:layout_marginLeft="20dp"
+                android:layout_marginRight="20dp"
+                android:layout_marginTop="5dp"
+                android:background="@color/listdelimiter" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal">
+
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:gravity="end"
+                    android:paddingRight="5dp"
+                    android:text="TBR Capability"
+                    android:textSize="14sp" />
+
+                <TextView
+                    android:layout_width="5dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="0"
+                    android:gravity="center_horizontal"
+                    android:paddingEnd="2dp"
+                    android:paddingStart="2dp"
+                    android:text=":"
+                    android:textSize="14sp" />
+
+                <TextView
+                    android:id="@+id/combo_tbr_capability"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:gravity="start"
+                    android:paddingLeft="5dp"
+                    android:textColor="@android:color/white"
+                    android:textSize="14sp" />
+
+                <com.joanzapata.iconify.widget.IconTextView
+                    android:id="@+id/combo_update_capabilities"
+                    android:layout_weight="1"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:textColor="@android:color/white"
+                    android:textSize="20sp"
+                    android:gravity="center_horizontal"
+                    android:text="{fa-bluetooth-b}" />
+
+            </LinearLayout>
+
+
             <View
                 android:layout_width="fill_parent"
                 android:layout_height="2dip"