P
OWER
C
ONSUMPTION
The AirTurn uses an idle timeout function to conserve power.
After two hours of inactivity when powered on and connected,
the AirTurn will power down automatically. The timer is reset
when any button is pressed. You can change this time out period
or turn it off completely using the AirTurn Manager app.
R
ECHARGING THE
B
ATTERY AND
B
ATTERY
S
AFETY
To charge the battery, insert the charging cable into the
port and plug the other end into any dedicated USB
source. For BT500S SERIES/QUAD 500 models you can
also use
a center negative power supply that is 5-9 V (9V
preferred).
Charging from a laptop or a computer is not
recommended. A charge will last for about 200 hours.
The BT500 series includes several battery safety features to help
maintain battery life and health. The battery will stop providing
power if it is too low, and stop charging when full. Charging is
disabled when the unit is above 45
°
C, or below 0
°
C (113
°
f and
32°f
)
. Charging resumes when the unit is back within operating
range.
16
