SN-AAT
PRE-FLIGHT CHECK
5.
UPGRADE FIRMWARE
Step1: Download upgrade software and drivers and install
：
install “CP210x USB to UART Bridge” driver
.
https://github.com/HelloLeFei/SN_L/releases
www.lefeirc.com
Step2: Connect via USB
：
Select correct com ID.
Step3: Upgrade SN_AAT
Step1:
power off AAT at first
Step2:
Select “AAT”
Step3:
load firmware and flash,
Step4:
Before the end of the countdown, power on AAT
6.
FAQ
Q
：
Communication is normal but cannot be tracked.
A：Check if the servo is in tracking mode; When the AAT is connected to the GPS, check whether the AAT
is unlocked, after unlocking, the number of satellites stops flashing; Check if the SN meets the takeoff
conditions.
Q
：
Horizontal pointing is not accurate.
A：When the compass is not enabled, check the angle error by <CLI>; When the compass is enabled, check
if the calibration is correct and there is interference around.21qz
Q
：
Vertical pointing is not accurate.
A：<CALIBRATION> -- <angle calibration>.
GPS connected
GPS not connected
FC positioned and AAT connected
normally can take off.
Place the aircraft near the AAT (within 3m) and take off
when the FC is positioned.
