diff --git a/main.cpp b/main.cpp
index f30e590..fee9594 100644
--- a/main.cpp
+++ b/main.cpp
@@ -36,9 +36,9 @@
 
 class hwinf;
 static void doWork(hwinf *hw, QString update_ctrl_file,
-                   QString workingDir, bool maintenanceMode) {
+                   QString workingDir, bool maintenanceMode, bool testMode) {
     std::this_thread::sleep_for(std::chrono::milliseconds(2000));
-    Update update(hw, update_ctrl_file, workingDir, maintenanceMode);
+    Update update(hw, update_ctrl_file, workingDir, maintenanceMode, testMode);
     update.doUpdate();
     std::this_thread::sleep_for(std::chrono::milliseconds(2000));
     QCoreApplication::quit();
@@ -54,7 +54,7 @@ int main(int argc, char *argv[]) {
 
     QApplication a(argc, argv);
     QApplication::setApplicationName("ATBUpdateTool");
-    QApplication::setApplicationVersion("1.0");
+    QApplication::setApplicationVersion(APP_VERSION);
 
     if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
         atbInstallMessageHandler(atbDebugOutput);
@@ -92,6 +92,12 @@ int main(int argc, char *argv[]) {
         QCoreApplication::translate("main", "Maintenance mode for underlying script"));
     parser.addOption(maintenanceOption);
 
+    // test-mode: edit the file update_log.csv and execute the commands
+    // contained in it. Do not call the update-script.
+    QCommandLineOption testOption("t",
+        QCoreApplication::translate("main", "Test mode for ATBUpdateTool"));
+    parser.addOption(testOption);
+
     // TODO:
     // add some additional parameters
     // --dry-run
@@ -106,6 +112,7 @@ int main(int argc, char *argv[]) {
     QString plugInName = parser.value(pluginNameOption);
     QString workingDir = parser.value(workingDirectoryOption);
     bool maintenanceMode = parser.isSet(maintenanceOption);
+    bool testMode = parser.isSet(testOption);
     QString const rtPath = QCoreApplication::applicationDirPath();
 
     if (plugInDir == pluginDefault) {
@@ -121,6 +128,7 @@ int main(int argc, char *argv[]) {
     qInfo() << "plugInName" << "=" << plugInName;
     qInfo() << "workingDir" << "=" << workingDir;
     qInfo() << "maintenanceMode" << "=" << maintenanceMode;
+    qInfo() << "testMode" << "=" << testMode;
 
     // before loading the library, delete all possible shared memory segments
 #if defined Q_OS_LINUX || defined Q_OS_UNIX
@@ -130,10 +138,10 @@ int main(int argc, char *argv[]) {
 #endif
 
     hwinf *hw = Update::loadDCPlugin(QDir(plugInDir), plugInName);
-    hw->dc_autoRequest(false);
+    // hw->dc_autoRequest(false);
 
     QString const update_ctrl_file = "/opt/app/tools/atbupdate/update_log.csv";
-    std::thread t(doWork, hw, update_ctrl_file, workingDir, maintenanceMode);
+    std::thread t(doWork, hw, update_ctrl_file, workingDir, maintenanceMode, testMode);
 
     int ret = a.exec();
     t.join();