Step 1:

From the bottom of your screen, click the green  DaryouButton icon, choose "Apteryx". see bellow picture. This step is a one-time setup. In the future,when you use this camera, only do Step 2 and Step 3

Step 2:

Launch Tracker. Open a patient

Step 3:

Click Camera icon->Video Capture Still.  Select "USB video device" on the left-top corner. Video show up.Press capture button to take pictures