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15
Status Definition of LED Indicators
Normal
RGY - Flash alternately
System self-check
YG - Flash alternately
Warming up
G - Flash slowly
The aircraft is in GPS mode
Warning
Y - Flash slowly
The aircraft is in ATTI mode
Y - Flash quickly
There is no connection between the aircraft
and the remote controller
R - Flash slowly
Low battery warning
R - Flash quickly
Critical low battery warning
R - Normally on
Critical error or IMU error
RY - Flash alternately
Compass error, requiring calibration/magnetic
interference
Compass Calibration
Y - Flash quickly
Prepare to calibrate the compass/The aircraft
is being calibrated
G - Normally on
Calibration succeeded
R - Normally on
Calibration failed
2.1.3 Aircraft Battery
The rechargeable LiPo battery used by EVO Ⅱ Dual 640T V3 features high energy
density and capacity. The battery needs to be charged by a designated charger.
1. Component Description
① Battery Removal Button
② Power Indicator
③ Power Button
Turn on the battery
Make sure that the aircraft is turned off before you install the battery. After you
install the battery, press the power button for 3s. The battery indicator will show the
current battery level.