ZERO-X Pro Evolved 4K, User Manual

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STEP 2: VERTICAL CALIBRATION
Hold the drone vertically with the camera facing up and rotate it 360° by the
centre at least 3 times. Be sure to keep the camera always facing up,
otherwise calibration will not work. When the vertical calibration is
completed and successful the lights will change to solid red on the front
lights and yellow on the rear lights.
NOTE
• Do not calibrate the drone in an area with strong magnetic fields,
parking lots or construction sites with underground reinforcement.
• Do not carry any magnetic objects or materials (such as keys or mobile
phones) on you when you are calibrating your drone.
• Keep away from large metal objects during the calibration process.
• It is recommended not to wear smart watches while flying your drone as
it may interfere with the GPS signal.