Syma Toys X11C - Manual (Page 7)

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FLIGHT CONTROL
Low Speed: Press the High/Low speed switch for one
time, the buzz will send out one sound.
High Speed: Please press High/Low speed switch once
again, the buzz will send out two sounds.
3 meters
1.When you are familiar with the
basic operation, you can play some
awesome & thrilling stunt operation.
First of all,fly the four-axial aircraft
to the height of more than 3 meters,
press the 3D Eversion switch on the
right above of the transmitter,then
push the right rudder (in any direction)
and then you can make 360 degree
3D tumbling operation in any direction
and make successive tumbling stunt
performance as well.
3D EVERSION AND THROWING FLIGHT
INSTRUCTIONS
BATTERY CHARGING
Battery charging
Take out the USB charging wire, connect one end to the quad copter, then insert
the USB port of the USB charging wire to the USB port of the computer (or the
USB port of the power adapter) to charge the battery.During the time of charging,
the red indicator of the USB will be ON.
When it is fully charged, the red indicator will be OFF.