© Action Drone, Inc. All Rights Reserved.
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AD2 User Manual V1-052316
11
SYSTEM OPERATIONS
Joysticks
Controls are in reference to aircraft’s tail-end pointing towards
you. The left joystick controls the thrust and yaw (altitude and
heading) of your AD2. The right joystick controls the roll and pitch
(left/right, forward/backward) movements.
Flight Modes
The “SD” switches between three different flight modes, with
respect to your flight controller:
1 Manual Mode
– flying without an auto leveling feature.
2 Attitude/Stabilize Mode
– recommended flight mode. If you
return the stick to a neutral position, the drone will level and
drift to a halt in hover level.
3 GPS/Loiter Mode
– allows
further stabilization in
flight and beneficial for
GPS locking and Fail Safe
features. However, not
recommended for standard
flying or indoor flying.
4 Auto Mode
(Pixhawk) -
For Auto take-off, turn on
motors, activate the Loiter/
GPS Mode on the “SD”
switch (position all the way
down towards you), then
activate “SC” switch into
Auto Mode (center position). See Flight Checklist for Take-Off Sequence.
The flight mode switch also has the ability to calibrate the GPS compass. See the next Flight Controller Chapter
for compass calibration sequences. Activating the Calibration Mode will allow you to calibrate the GPS compass
for safe and proper operation of the AD2’s GPS Mode and “Fail-Safe” features.
Fail-Safe/Return-to-Home (RTH) Mode
If you experience a problem in flight, lose Visual Line of
Sight (VLOS), or lose orientation of the AD2, activate the
Fail-Safe/RTH Mode. Switching on the “SG” switch (towards
you) will override the AD2 to return within 1-3 meters of the
launching point. The switch may be turned off (switched away
from you) when it is safe again to pilot the AD2.
The Fail-Safe/RTH Mode is automatically activated if the
AD2 loses signal with the radio (anomaly conditions). The
AD2 will automatically launch the Fail-Safe/RTH Mode until
radio signal reconnects or reaches its launching point.
For Pixhawk Systems, the RTH Mode does not work during Auto Mode. Auto Mode must be switched off in
order to activate RTH Mode.
IMPORTANT:
The aircraft does not avoid obstacles (i.e. trees, light posts, telephone lines, buildines,
etc) during RTH Mode. Prior to flight, set a reasonable altitude in RTH Mode. The aircraft will ascend
to preset altitude and will return to the launch point.
Figure 2.8: Top View of Radio
Fail-Safe/RTH
"SG" switch
Aircraft & Gimbal Operations
Radio Controller
Flight Controllers, Groundstation
Software, Maintenance
Battery Use
Cameras & Sensors
Figure 2.7: Flight mode “SD” switch control positions
1
Manual:
First position
2
Attitude/Stabilize:
Center position
3
GPS/Loiter:
Last position
4
(Pixhawk) Auto Mode:
SD Loiter Mode + SC Center Position
Roll/Pitch
Thrust/Yaw
Figure 2.6: Radio Joysticks
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