The following digital inputs are mapped by default for the G100 (though they can be remapped elsewhere), it is important to keep these in mind to avoid clashes when setting up other inputs.
0 - Ignition
1 - Digital Input 1: Physical Digital input 1 is mapped by default
2 - Digital Input 2: Physical Digital input 2 is mapped by default
3 - Digital Input 3: Physical Digital input 3 is mapped by default
4 - Digital Input 4: Physical Digital input 4 is mapped by default
5 - GPS Interference: GPS interference indicator
6 - GPS Jamming: GPS Jamming warning (signal lost) indicator