Simply click the "Auto" box, and APIC will automatically connect to your GPS.
Step 1 - Find Out Which Com Port GPS Information is Output On
Open GPS Manager from Settings\System\GPS
Note which Com Port GPS information is output to
Step 2: Configure GPS Settings in APIC
Open the Com Ports Menu from the Settings Page
Set the GPS connection to the GPS output Com Port found in Step 1.
Set the Speed to either 4800 or 9600 (see product manual for this information).
Tap the Reset button to the right of the GPS Speed, then DONE
Open the Satellite Screen, wait for the GPS to get a signal... then go Go Fly!