F11 PRO User Manual
Copyright ©2023 Ruko All Rights Reserved.
26
Do not install the battery into the aircraft or remove the battery
from the aircraft when the battery power is turned on. Other-
wise, the poor contact of the battery interface during the opera-
tion may cause the battery to short-circuit and burn the aircraft.
The battery must be installed or removed with the battery power
turned off.
Checking Battery Level
Press and hold the power button, after the indicator light turns on to
the fourth, and release the power button to check the current
battery level.
Powering On
Press and hold the power button for 3 seconds, release the power
button after the indicator light turns on to the fourth. When turned
on, the power indicator shows the current battery power.
Powering Off
Press and hold the power button for 3 seconds, release the power
button after all the indicator lights are off; after turning off, the
indicator lights are all off.
Low Temperature Notice
When using the battery in a low temperature environment (0°C to
5°C), make sure that the battery is fully charged. The discharge
capacity of the battery will be reduced when working in a low
temperature environment. In a low temperature environment, due to
the battery output power limitation, the aircraft's wind resistance
and flight performance will be reduced. Please be careful. You need
to be extra cautious when flying in low-temperature and high-alti-
tude environments.
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