diff --git a/platform/qt/dmxwidget/dmxwidget.h b/platform/qt/dmxwidget/dmxwidget.h
index 7d562f8..9fe4819 100644
--- a/platform/qt/dmxwidget/dmxwidget.h
+++ b/platform/qt/dmxwidget/dmxwidget.h
@@ -29,6 +29,7 @@
 #include <QSerialPortInfo>
 #include <widget.h>
 
+using DMX::DeviceClass;
 using ENTTEC::Pro::FIRMWARE_TYPE;
 using ENTTEC::Pro::MESSAGE_LABEL;
 using ENTTEC::Pro::DMX_RX_MODE;
@@ -53,7 +54,9 @@ public:
     void setPortName(const QString &name) { port_->setPortName(name); emit portNameChanged(); }
     QString portName() const { return port_->portName(); }
     QSerialPortInfo portInfo() const { return QSerialPortInfo(*port_); }
+    DeviceClass deviceClass() const { return device_class_; }
 
+    Q_ENUM(DeviceClass)
     Q_ENUM(FIRMWARE_TYPE)
     Q_ENUM(MESSAGE_LABEL)
     Q_ENUM(DMX_RX_MODE)
diff --git a/platform/qt/dmxwidget/widgetmodel.cpp b/platform/qt/dmxwidget/widgetmodel.cpp
index 375339c..e634b90 100644
--- a/platform/qt/dmxwidget/widgetmodel.cpp
+++ b/platform/qt/dmxwidget/widgetmodel.cpp
@@ -94,7 +94,16 @@ QVariant WidgetModel::data(const QModelIndex &index, int role) const
                    + "."
                    + QString::number(wdgt->firmwareVersion() & 0xff);
         case OperatingMode:
-            return "";
+            switch (wdgt->deviceClass()) {
+            case DMX::CONTROLLER:
+                return tr("Controller");
+            case DMX::RECEIVER:
+                return tr("Receiver");
+            case DMX::RESPONDER:
+                return tr("Responder");
+            default:
+                return QVariant();
+            }
         default:
             return QVariant();
         }