Accessory for the Flight Computer display
If this GPS module is connected, the screen display the data in real time. GPS module should be installed in the model with the antenna on top and without any metallic or carbon fiber cover.
The GPS module has two LED lights. Green blinks while it is looking for satellite data, and the blue blinks when the module has acquired the position and is fully functional.
Instructions manual: http://www.xicoy.com/FC1_1_0_en.pdf.