This s is the GUI of the flight monitor system:
The control view shows the inflight instruments as well as heading and roll / pitch angle. The altitude is presented from the gps and from the pressure sensor.
The waypoints view shows the present gps position on a wps bing Chart
The monitor view plots a chart of the roll and pitch angle
The settings view let you adjust the PID factors, the sampling rate and the beta factor of the Madgwick sensor fusion.
It also lets you calibrate the accelerometer and the gyro as well as the magnetometer (move the quadrocopter in a 8 figure)