UDI R/C U31W Navigator Operation Manual page 15

* Press down the headless mode button, the drone's left and right LED will start
flashing alternately, signifying that the drone has entered headless mode, press the
button again, then the LED will become solid as the drone exits headless mode.
Low Battery Alarm
When the drone is in low battery mode, the transmitter will send out a constant beeping
sound to remind the user to land the drone as soon as possible.
When the transmitter goes into low battery mode, the transmitter will continuously beep
to remind the user to land the drone and replace the batteries as soon as possible or the
drone may go out of control.
Out of Range Alarm
When the drone is going to surpass the max remote control distance, the transmitter
will beep "didi...didi...didi..." continuously so as to alarm the user to return the drone
within the control range immediately or the user stands the risk of the drone being flown
away
Motors Stuck Protection
1. When the propellers is jammed/stuck, then the drone LED will flash quickly and
the stuck protection function activated where the motors will stop running.
2. To deactivate the stuck protection, pull down the left stick to the lowest position, the
drone LED will become solid and the drone can be flown again.
Headless Mode
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