Dahua Technology NAVIGATOR X1550, User Manual

Page: 82 / 113

68
Click
“Course Lock” and the icon becomes yellow, and it will prompt “Course Lock
Enabled
”.
4.4 Intelligent Protection Mechanism
4.4.1 Low Battery
There are totally three prompts of aircraft low battery for the remote control, and each prompt is
more serious than the previous one.
 Level-one low battery, remote control prompts
message: “Low Voltage Alarm”, along with
alarm sound.
 Level-two low battery, remote control prompts
message: “Serious low voltage home”, along
with alarm sound. First ascend to 120m, return to HOME point and then descend. At this
time, it is OK to suspend low voltage home (cancel button appears on App, or suspend it
by switching the mode of remote control).

Level-three low battery, remote control prompts
message: “Serious low voltage landing”,
along with alarm sound. Meanwhile, the aircraft triggers landing mode.
Note
After suspending low voltage home, level-three low battery alarm will be triggered if it continues
to fly or fly in some harsh environment.
4.4.2 Out of Control

The aircraft may run into the following out of control situations:
The aircraft or remote control antenna is damaged, and it fails to receive and send

signals.
Intensive magnetic field arises in ambient environment, which interferes with the

aircraft and remote control.

Solutions:
Out of control auto return: ascend the aircraft to 120m first and then return to HOME
point.
4.4.3 Electronic Fence
4.4.3.1 Fence Area Settings
Draw an area of electronic fence.
Step 1 Select "Settings > Flight Control Settings > Fence Settings". The system will display
the interface of “Fence Settings”, as shown in Figure 4-22.