TAS-A; Skytrax 6xx-A Additional Wiring for GPS Position Data and Comm Port PDF Attachment available in link to the right. -->
You'll want to go to the "Aux" page group, then go to the "System" tab. From there you will see a "Status" button on the lower left side of the display. It defaults to "Status - Software". You'll want to cycle that key until it shows "Status - GPS". This is also where you can find your datalink status (by…