To access this feature, select the eSignal Icon (eS) in the top left corner of the main menu.
Then select Application Properties.
In the Appearance tab, you'll find English as the default. Use the dropdown menu to select a new language.
Please note that you must restart the application to implement the new language setting. In the event that you inadvertently selected the wrong language, you can navigate to the same menu and English will be the first language listed.