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Mode
In this mode, the aircraft does not have the function of fixed point and fixed height, and only
maintains the attitude stabilization. When flying in attitude mode, the aircraft will maintain its
attitude automatically. The adjustment of aircraft height, speed and position needs to be
controlled manually and timely. Compared with atti mode, mode lacks height setting
function. It is used in some ultra low altitude flight, and this mode has no limit on the speed of
ascend and descend, and may be used in some scenarios
（
This mode is semi professional,
and the pilot should choose this mode carefully.
BOAT (Surface Navigation) Mode
In Boat mode, the SD4 can effectively be controlled like a boat on the surface of the water. With a
maximum surface speed of 1m/s. Control instruction: In GPS mode, after the aircraft lands to the water,
wait for the aircraft to enter idle (locked standby) state, and press the boat mode key to enter. After
entering the Boat mode, the Throttle rod does not work, the Yaw bar controls left / right turn, the Pitch rod
pushes forward to accelerate, and the Roll rod does not work. Press the Boat mode button again to exit,
and the aircraft can take off normally.
In Boat mode, NaviFly app intelligent navigation mode can be used normally, such as fixed point hover,
pointing navigation, route planning, grid search, intelligent surround, etc.
Boat mode application: combined with each camera and extension bar, underwater photography and
underwater search; combined with the Gimbal Up-hang kit and the GC3-S gimbal camera for surface to
air photography; Large scale fish swarm search with fish finder (Dronar 01)
Note: When operating in Boat mode, take care that the landing gear and other attached accessories do
not get caught on weed or other debris that could prevent the drone from flying.
Intelligent Follow
The SwellPro SD4 uses an innovative relative position follow. With good GPS signal for the drone and the
remote control, when Follow Me is activated, the drone will maintain its position relative to the remote
control and can lead, follow or parallel chase the position of the remote control, adjusting the position of
the camera gimbal and drone to keep the camera pointed at the remote control (pilot).
While the drone is in Follow Me mode, you can adjust the aircraft direction, following distance, camera
angle.
Start Follow Me:
Check that the remote control has GPS lock by checking the GPS status indicator on the
screen. Press and hold the Follow Me button. The remote control will beep and
vibrate twice.
Stop Follow Me:
Short press the "FOLLOW ME" button, the remote control will
beep and vibrate twice and the drone will initiate the return home process.
The remote control will beep and vibrate once to indicate that Follow Me has
been cancelled.
