3DR H520-G, Flight Manual

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3.6.7 PAUSING A MISSION
The pilot may want to pause a mission to avoid obstacles or regain bearings. To pause an autonomous
mission, tap on the Pause button in the Site Scan App or ST10C (Hover Button). This will cause the H520-G
to hover and maintain its position. Moving any stick on the ST10C during an automated mission will also
pause/hover the aircraft.
3.6.8 RESUMING A MISSION
To resume an interrupted mission, tap the Resume button on the bottom right of the Site Scan App.
The aircraft must acquire a GPS lock before it can resume a mission.
3.6.9 BATTERY CHANGES DURING MISSION
If a battery change is required during a planned mission, the H520-G will automatically RTL and land.
Once the H520-G has landed, remove the discharged battery and replace with a charged battery. Wait for
the H520-G to establish a connection with the ST10C and GPS lock. The aircraft may take up to two minutes
to reconnect.
Once both signals have been locked, the Continue Mission screen will appear on the Site Scan App.
Tap Continue to confirm resuming the mission.
3.6.10 ENDING A MISSION
A pop-up window will appear on Site Scan App once the H520-G has landed and completed the mission.
Tap End Mission .
3.6.11 REFLY A MISSION
After completing a mission, if the mission requires re-flight, go to Flight Plans in the main menu of Site Scan
App and then tap Refly .
3.6.12 GEAR SWITCH
In mission mode, the landing gear will automatically retract after reaching takeoff altitude (around 10 ft.
altitude). After the mission is complete and an RTL is triggered, the landing gear will continue to stay up until
it reaches the home position. The landing gear will come down once it descends to a safe altitude (around
20 ft.) during the landing process from the RTL altitude. To deploy the landing gear after exiting Mission
mode by pausing the mission, the pilot may need to cycle (flip up and down) the landing gear switch to
activate the switch.