From Settings, click Login settings; here you can change the settings related to login.

Enable automatic login: the app will automatically log in with an employee code defined in the Back Office
Via Automatic logout method you can determine whether the employee always logs out automatically after closing an order or whether the device should follow the settings of the back office. Automatic logout delay can be set in seconds by dragging the bullet on the line. This does not log out immediately, but gives the employee X number of seconds to open a new order
With Enable logout by inactivity you can set the number of minutes at which the cash register automatically logs off when not in use. The Automatic logout delay can be set in seconds by dragging the bullet on the line

Managing log in and log out settings for your device