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After connecting the GPS,DOS receives position and course information to keep straight flying.And DOS
will automatically correct the deviation cause by crosswind.
Speed control
The DOS has some control over the throttle channel after connect GPS module.When flying in Navigation
mode,please ensure the throttle stick control signal is enough.Otherwise you aircraft maybe stall.
2. Function of DOS
The function of DOS without GPS
● Deactivated Mode
control of the pilot.
● Stabilized Mode
– DOS can automatically keep the level flight attitude in any weather condition. This makes
operating the aircraft become very simple and easy for the beginner. When the pilots feel the plane out of
control as long as stabilize the flight throttle, loosen the operating sticks, it can automatically recover to the
level state.
● 3D Mode
– In this mode,if no input is given by the pilot(sticks in the middle position) the DOS will lock the
current aircraft attitude.Therefore the aircraft can be easily maneuvered to complete a variety of 3D flight with
added stability and smoothness.
● Fixed altitude and Heading lock flight Mode
Loosen the operating stick; the plane can automatically keep flight course, at the same time lock flying height,
automatically correct flight course deviation, easy to operate.
● Auto Circling Mode
counterclockwise circle), but it will not hover around a fixed point, and may be away from the original hovering
point because of the wind.
The function of DOS with GPS
● Fixed altitude and Heading lock flight Mode
Loosen the operating sticks; plane can automatically keep flight course, at the same time lock flying height,
automatically correct flight course deviation, and begin straight line flight. Easy to operate
● Auto Return To Launch Mode(RTH)
to the course reversal point, keeping the current height, and it will hover after arriving the target point.
● Auto Circling Mode
clockwise hovering). The centre of the circle is the point of activation.The plane will hover keeping the current
height, The hovering radius can be set, and the default circle radius is 80 meters.
● GCS software
– Operator can set flight parameters, monitoring and recording flight path etc through the
GCS software in the computer.(This requires connecting the data radio) .
DOS can connect with the Hornet-OSD and the Data Radio
DOS has one UART interface for connecting the FY-data radio and the OSD module. It can realize the
following function by combing them.
Guilin Feiyu Electronic Technology Co., Ltd
Guilin Feiyu Electronic Technology Co., Ltd.
– In this mode, theDOS stabilization turned off.The aircraft is completely under the
– Plane will keep the current height, at a certain turn rate hovering flight (look up, a
– In the Auto Return To Launch Mode, aerobat will automatically return
– When activated in this mode, the plane will immediately fly in a circle( look up ,
– can lock the flight course and maintain the flight height.
– Can lock the flight course and maintain the flight height.
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