User manual
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3.2 Remote Controller LED Indicator Status 
3.2.1 Remote Controller Power LED Indicator Status 
Power LED Indicator 
Sound 
Remote Controller Status 
None 
Functioning normally. 
None 
Charging( remote controller is powered off) 
None 
Remote controller joysticks calibration error, need to be re-calibrate. 
BB---BB---BB 
Low voltage (from 3.5V-3.53V), recharge the remote controller. 
B-B-B…… 
Critical low voltage (from 3.45V-3.5V). Recharge the remote 
controller immediately. 
B--B--B…… 
Alert will sound after 15 minutes of inactivity. It will stop once you 
start using the remote controller. 
The remote controller will power off automatically when battery voltage drops below 3.45V. Land and 
recharge the  battery  as  soon as possible  when  the low voltage alert occurs to  avoid  loss  of  control 
during flight. 
3.2.2 Remote Controller Battery Level Indicator Status 
The battery level indicators will show the current battery level during both the discharging process. The following is 
a description of the indicators. 
: The LED is solid on    : The LED will blink regularly 
: The LED is light off 
Discharging process 
LED1 
LED2 
LED3 
LED4 
Current battery level 
75%~100% 
50%~75% 
25%~50% 
12.5%~25% 
0%~12.5% 
<0% 










