Darwin HULKAIO, User Manual

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CAUTIONS
①
Seawater is highly corrosive, it is not recommended for use in
seawater. Please wash with fresh water immediately and then dry it once
drone touched seawater.
②
Support 3-6S battery, remember not to plug the battery positive and
negative interface in reverse, otherwise it will burn out.
③
After receiving the AIO, first connect to computer on Betaflight software
to check whether the gyroscope and accelerometer are detected, and
whether the gyroscope attitude is normal.
④
Increase the throttle in Betaflight software to ensure the normal rotation
and correct rotation direction of the 4 motors, and then install the propellers
for a test flight;
be sure to remove the propellers when pulling the throttle in
Betaflight software to avoid accidents.
After confirming the above precautions without any problems, you can
install the propellers and start flying!