XAIRCRAFT FC1212-P - Manual (Page 6)

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Double flashing in green No valid RC signal detected.
Slow Flashing in green FC works normal, ready to fly.
Green Light is Solid ON The copter is in flight
Red light Solid ON Upgrading firmware.
Or system Error: please contact with distributor or XAircraft
directly.
FC1212-P Related Modules
Module Function MEMO.
AHRS Must choose AHRS-S V2 or AHRS-P Attitude and Heading
Referencing System
Compass Option. Offers better precision of heading.
Also provides heading lock and carefree functions. AHRS-P has a built-in
compass already
Autopilot Option. Provides Height Hold, Position Hold (GPS ATT mode) and
Return to Home functions. Have to work with compass
Pilot Lamp Option, show flight mode and warning.
Wiring of FC1212-P
Connect to Receiver
Safety Notice
After connecting the Receiver (RX) and FC1212-P, must check the Reverse Settings work well.
You have to check the reverse settings of your transmitter:
1. Do the Ground Test without propellers installed after all assembly work done.
2. Or you can connect to XAircraft Center to do the Rev Test.
WARNING: INCORRECT REVERSE SETTINGS MAY LEAD TO DANGER.