15 of 288 Operating the AppA smartphone is used to explain the operation in the user interface of the Kathrein ESU app. The fol-lowing screenshots are representative for all operating systems.8.1 Connecting the Kathrein ESU App and the SWP 50 Programmer1. Tap the app icon on the smartphone or tablet or double-click on the PC to start the KathreinESU app.➯ While the app is starting, some features of the app are shown. The app automaticallysearches for a programmer in the local network.2. Turn on the programmer using the ON/OFF button.➯ The programmer turns on. The LED indicates the battery charge.3. Check the battery charge.4. If the battery charge is low, connect a USB charger to the USB port.5. Connect the F-type plug-in socket of the programmer (③ in Fig. 1, p. 9) to the Sat connec-tion of a programmable single-cable outlet using the supplied coaxial cable.8.1.1 Connecting the Programmer and the App Wirelessly via WLAN1. Go to the Wi-Fi settings of your mobile device or your Windows PC.➯ The programmer appears under the network name (SSID) SWP 50.2. Select the network name SWP 50.➯ The connection between the programmer and the app on your mobile device or Windows PCis being established.Tip As per factory settings, the programmer operates as a Wi-Fi hotspot with the net-work name (SSID) SWP 50. If you cannot find the programmer in the Wi-Fi network,reset the programmer to its factory settings; see Resetting the Device to Factory Set-tings, p. 12.8.1.2 Connecting the Programmer and the App on a Windows PC Using a USB cableNOTICENote that a USB connection is only available for a Windows PC.✔ The PC is connected to the internet.1. Connect the USB port of the programmer to a USB port on your Windows PC using the suppliedUSB cable.2. In the app menu, open the menu item Settings.3. In Settings, select the used USB port.➯ The PC automatically searches and installs the SWP 50 driver. The connection between theprogrammer and the app on your Windows PC is being established.4. If the driver has not been installed, download it from www.kathrein.com.5. Install the driver.➯ The connection between the programmer and the app on your Windows PC is being established.