Dahua Navigator X820, User Manual, Page: 15 / 115

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 The shock absorber board and shock absorber ball work together to guarantee PTZ
camera stability.
 30X visible light camera is optional, with professional HD video effect.

IR thermal camera is optional, suitable for special environments such as fire scene or night
environment, so as to guarantee clear video and high restoration.
 The remote control has snapshot button and record button, which are easy to operate and
instantly start snapshot and record function.
Accurate Positioning
Empennage has built-in GSP system, so its positioning is accurate and real-time.
Wireless Transmission

Aircraft has 4 antennas. Connect the remote control and image transmission device to
send and receive radio wave signals.

The remote control has 3 antennas. Connect the aircraft and GCS to send and receive
radio wave signals.

The ground station connects large-size image transmission antenna, to send and receive
radio wave signals.
Low Electric Quantity Protection
When electric quantity is lower than estimated safe return value, trigger low electric quantity
protection automatically, including alarm, return home and landing.
Flight Log
The ground station automatically records flight logs.
Intelligent Battery
 Display remaining electric quantity: Battery has built-in power indicator light.

Balanced charging protection function: Automatically balance the battery cell voltage to
protect battery.
 Overcharge protection function: Battery automatically stops charging when the voltage is
full.
 Sleep protection function: Battery automatically goes to sleep status when there is no
operation within 5 minutes.
 Charging temperature protection function: The battery charging temperature ranges from 0
℃
to 50
℃
. Once the temperature is too high, battery automatically stops charging; otherwise,
it may result in battery damage.
 Communication: The remote control and the GCS can get current remaining capacity and
voltage information.
Flight Control