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XK X260 Instruction Manual page 11

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If the X260 loses connection with the transmitter, after 2-3 seconds the power to the motors will
reduce and then cut to save the X260 from flying out of control. The LED's on the X260 will also
begin to flash.
To active headless mode you have to press and hold down the headless button for 2 seconds.
Once CF/Headless mode is active the transmitter will emit a constant beep to show it is in
headless mode.
Once in headless mode no matter which way the quadcopter is pointing, forward will always be
forward, backwards will always be backwards, left will always be left and right will always be right.
Gyro/Accelerometer Calibration
If you experience any abnormal movements during flying you can recalibrate the X260's gyro.
To recalibrate the X260 place the X260 on a level surface and connect the battery.
Make sure the throttle control stick is positioned downwards and then turn on the transmitter.
The Transmitter will make a constant beeping while it is binding to the X260. Once bound the
transmitter will stop beeping and the X260 LED's will change from flashing to solid to show the
quadcopter is bound and ready to fly.
Hold both control sticks to the bottom left, the LED's will all flash to show calibration is taking
place, once the LED's stop flashing you can move the throttle stick back to the lowest centre
position and the right stick to the centre. The X260 is then recalibrated and ready to fly.
Quadcopter status LED's blink
continuously for more than 4
seconds after the battery is
connected. No Response from
the control input
No response after the battery is
connected to the Quadcopter
Motor does not respond to the
throttle stick and the LED's flash
Main rotor continues to spin
after landing
Fail Safe / Signal Loss
Unable to bind to the transmitter.
1. Battery is not charged.
2. Transmitter batteries are low
3. Poor battery connection
Quadcopter LiPo battery voltage
is too low
Throttle trim has been
accidentally knocked during
flight
Repeat the power up sequence
and rebind the Transmitter and
Quadcopter
1. Make sure the battery is fully
charged
2. Check and replace the
transmitter batteries
3. Re-seat the battery to ensure
a good battery connection
Fully charge the battery or
replace with a fully charged
battery
Check the throttle trim is in the
centre or slightly below

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