Compass Calibration; Horizontal Calibration - Hubsan X4 DESIRE H502S Instruction Manual

8. QUADCOPTER CALIBRATION

8.1 COMPASS CALIBRATION

Compass calibration is required when the X4 is yaw during flight, please follow the calibrating
procedures:
1) Push the left stick to the most left side, and move the right stick left to right quickly until
the transmitter displays "Calib compass 1"
2) Rotate the X4 horizontally clock-wise until the LCD screen displays " Calib compass 2"
3) Put the X4 nose down and rotate it vertically clock-wise until the " Calib compass 2" on
screen disappears, and 4 LED indicators remain lighted.
4) Calibration done.
Push the left stick to the
most left side
Put the X4 nose down and rotate
it clock-wise until the
'Calib compass 2" disappears
Do not calibrate the compass in a strong magnetic field
Do not carry ferromagnetic materials with you while calibrating the compass,
such as keys, cell phones, etc.

8.2 HORIZONTAL CALIBRATION

Horizontal calibration is required when the X4 is drift during flight.
1) Push the left stick to the most right side, and move the right stick left to right quickly until the
4 LED indicators blink slowly simultaneously
2) Calibration succeeded when the 4 LED indicators stop blinking and remain lighted.
Move the right stick left to right
quickly, the LCD
screen displays "Calib compass 1"
Rotate the X4 clock-wise
until the LCD screen displays
"Calib compass 2"
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