no GPS/ no Fix : turn LED on
GPS/Fix : turn LED off
Bus data missing: turn LED on
Bus data present: turn LED off
1) a LED lit in bright RED is drawing more attention than a LED unlit and generally implies: WARNING
2) in the case of 'limits' the LED serves as warning too
3) a permanently lit LED might be uncomfortable at night, LED unlit should be the default in the dark
no GPS/ no Fix : turn LED on GPS/Fix : turn LED off
Bus data missing: turn LED on Bus data present: turn LED off
1) a LED lit in bright RED is drawing more attention than a LED unlit and generally implies: WARNING 2) in the case of 'limits' the LED serves as warning too 3) a permanently lit LED might be uncomfortable at night, LED unlit should be the default in the dark