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Connect the FLEXF3 to the Betaflight PC or SpeedyBee mobile applications with the provided USB cable or bluetooth module.
Reference the receiver setup pages for more information on how to do this.
Place the aircraft with its landing gear installed on a level surface like a workbench or table top. If required, place shims under each
main wheel to get the aircraft as close to level as you can by sight. Shim the nose gear so that it is approximately 3mm (1/8") higher
than the main gear. This should apply approximately a two to three degree nose up attitude.
Please note, this calibration does not have to be absolute perfection. Flex has found the methods above to work adequately
for the desired flight performance.
BEGINNER PROFILE CALIBRATION
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In order to ensure the Beginner Profile works properly, you must calibrate the FLEXF3 sensor. If you do not plan to fly in the Beginner
Profile, it is still highly recommended that you calibrate the sensor.
If you have a crash or replace parts, it is always a good idea to repeat this process to ensure proper flight performance.