User's Manual Part 2

37
Accelerator Calibration
When the aircraft leaves the factory, the accelerometer has already been calibrated. It is suggested
to calibrate it again before the first flight to ensure the safe flight Follow these steps:
y Visit www.gdu-tech.com to download and install the ‘FCS Configuration Adjustion Software’
on your PC.
y Connect the aircraft to your PC, the software will automatically identify the aircraft.
y Make sure the aircraft is sitting on a level surface and POWERED OFF, then open the
‘Accelerometer’ in the parameter adjustment software, Then click the button that says ‘Click to
start the single axis calibration’.
y Wait for three seconds and the calibration is finished.
Ȥ Make sure the aircraft has been turned off before it is connected to the PC.
Compass Calibration
y Power on the remote control and then the aircraft. At this time, the aircraft will start a self-check
and a series of beeps will sound.
y After the beep stops, toggle the “Flight Mode Switch” back and forth for several times. Observe
the color of the LED indicator light in the aircraft and stop toggling when the yellow LED
indicator light at the head of the aircraft is on and the yellow light at the tail flashes.
y Hold the aircraft UPSIDE DOWN and rotate it clock-wisely and horizontally. Observe the color
of the LED indicator light in the aircraft and go to the next step when the yellow light at the head
of the aircraft is on and the green light at the tail flashes. Otherwise, please return to the step 2.
y Hold the aircraft with its HEAD DOWN and rotate it clock-wisely and vertically. Observe the