On the GeoNave system navigation screen with licenses ISO 31, the Trail corresponds to effectively sprayed area, being filled with green in the screen according to the Implement width and sections state.
There are two options for turning the main sprayer switch on or off.
Application button
The Application button is used to change the status of the main sprayer switch on the navigation screen, alternating between enabled and disabled.
Touch sensitive sprayer activation button
On the Side button bar – Left is available a touch sensitive button for activating the sprayer. As with the application button, each time the button is pressed, the state of the main sprayer switch toggles between enabled and disabled.
If the main switch is enabled, the button will be in its active state 
. Otherwise, in the disabled state 
.
