diff --git a/app/scanner2/mainwindow.cpp b/app/scanner2/mainwindow.cpp
index f5abef37..33a9b89c 100644
--- a/app/scanner2/mainwindow.cpp
+++ b/app/scanner2/mainwindow.cpp
@@ -208,7 +208,9 @@ MainWindow::MainWindow(const QString& appLang, QWidget *parent)
     m_act_English->setCheckable(true);
     ui->menu_info->addMenu(m_menu_language);
     m_menu_language->addAction(m_act_simpCN);
+#if defined (OEM_ZHONGJING)
     m_menu_language->addAction(m_act_tradCN);
+#endif
     m_menu_language->addAction(m_act_English);
 
     if (m_currLang == "english")
@@ -3276,6 +3278,8 @@ void MainWindow::on_act_help_triggered()
         filename = QApplication::applicationDirPath() + "/UniScan_App_Help_manual.pdf";
     #elif defined(OEM_NEUTRAL)
         filename = QApplication::applicationDirPath() + "/NeuScan_App_Help_manual.pdf";
+        if (m_currLang == "english")
+            filename = QApplication::applicationDirPath() + "/NeuScan_App_Help_manual_EN.pdf";
     #elif defined(OEM_DELI)
         filename = QApplication::applicationDirPath() + "/DeliScan_App_Help_manual.pdf";
     #else
@@ -3301,6 +3305,8 @@ void MainWindow::on_act_help_triggered()
         filename = QApplication::applicationDirPath() + "/../../entries/help/UniScan_App_Help_manual.pdf";
 #elif defined(OEM_NEUTRAL)
         filename = QApplication::applicationDirPath() + "/../../entries/help/NeuScan_App_Help_manual.pdf";
+        if (m_currLang == "english")
+            filename = QApplication::applicationDirPath() + "/../../entries/help/NeuScan_App_Help_manual_EN.pdf";
 #elif defined(OEM_DELI)
         filename = QApplication::applicationDirPath() + "/../../entries/help/DeliScan_App_Help_manual.pdf";
 #else
@@ -3325,6 +3331,8 @@ void MainWindow::on_act_help_triggered()
         filename = QApplication::applicationDirPath() + "/../doc/UniScan_App_Help_manual.pdf";
 #elif defined(OEM_NEUTRAL)
         filename = QApplication::applicationDirPath() + "/../doc/NeuScan_App_Help_manual.pdf";
+        if (m_currLang == "english")
+            filename = QApplication::applicationDirPath() + "/../doc/NeuScan_App_Help_manual_EN.pdf";
 #elif defined(OEM_DELI)
         filename = QApplication::applicationDirPath() + "/../doc/DeliScan_App_Help_manual.pdf";
 #else
diff --git a/doc/scanner/NeuScan_App_Help_manual.pdf b/doc/scanner/NeuScan_App_Help_manual.pdf
index 4c85a7f7..4b58cb30 100644
Binary files a/doc/scanner/NeuScan_App_Help_manual.pdf and b/doc/scanner/NeuScan_App_Help_manual.pdf differ
diff --git a/doc/scanner/NeuScan_App_Help_manual_EN.pdf b/doc/scanner/NeuScan_App_Help_manual_EN.pdf
index f2464180..93831588 100644
Binary files a/doc/scanner/NeuScan_App_Help_manual_EN.pdf and b/doc/scanner/NeuScan_App_Help_manual_EN.pdf differ
diff --git a/doc/scanner/NeuScan_scanSettings_Help_manual.pdf b/doc/scanner/NeuScan_scanSettings_Help_manual.pdf
index d16221c3..672c7f47 100644
Binary files a/doc/scanner/NeuScan_scanSettings_Help_manual.pdf and b/doc/scanner/NeuScan_scanSettings_Help_manual.pdf differ
diff --git a/doc/scanner/NeuScan_scanSettings_Help_manual_EN.pdf b/doc/scanner/NeuScan_scanSettings_Help_manual_EN.pdf
index 394bf68f..38d869b2 100644
Binary files a/doc/scanner/NeuScan_scanSettings_Help_manual_EN.pdf and b/doc/scanner/NeuScan_scanSettings_Help_manual_EN.pdf differ