The item Data GPS informs the user which model of GNSS the system IsoView has installed. Value options for this information are as follows.

Data from GPS Description
No Source GPS There are no sources GNSS available for the system to operate.
GPS Internal The system is using the GNSS monitor internal IsoView.
GPS External The system is using a GNSS external, which communicates with the monitor IsoView through the interface CAN.
restarting GPS Condition in which the receiver GNSS finds no signal for a long time, and the system is automatically restarted.
GPS emulated When demo modes are on.