AFPV SN-AAT User Manual - Page 5
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PRE-FLIGHT CHECK
GPS connected
FC positioned and AAT connected
normally can take off.
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
：
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>.
Select correct com ID.
GPS not connected
Place the aircraft near the AAT (within 3m) and take off
when the FC is positioned.
SN-AAT