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If there is circles or drift in flying, please calibrate the compass.
(the motor must be locked and rear red LED light turn off )
Please calibration outdoors and far away from strong electromagnetic interference.
Attention:
14.2 Compass Calibration
The compass calibration steps are as follows:
Do this by moving both sticks DOWN and to the
middle position at the same time about 5 seconds,
the aircraft red LED light flash quickly.
Rotate the aircraft 360 degrees in the horizontal
direction .
Rotate the aircraft in the vertical direction (aircraft head down) 360 degrees
until red LED light turn off, which Indicates that the calibration is successful,
and then the aircraft is still in the horizontal position.
If calibration is not successful, please re calibrate it according the above methods.
Ground
Head
vertical
down
14.0 Additional remarks
14.1 Introduction for FCS-V4 Main Flight Controller
Flexible flat cable connection
The metal surface of flexible flat cable
plug should be inserted upward to main
controller port properly.
The metal surface of flexible flat cable
plug should be inserted downward to
power board port properly.
1. GPS Port: connect GPS module
2. Micro SD: Micro SD card slot
3. UART Port: not used
4. USB port: used for upgrading
5. Connection port: used to connect flexible flat cable
Port introduction
Upgrading
Please upgrade online via
Walkera official website
USB Cable
USB port
www.walkera.com
Quick Start Guide