AK28 HD/HD+ User Manual V1.1
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To maintain a safe and orderly public space and to ensure you a good using
experience of SIYI’s products, please read the prohibited and mandatory terms
carefully.
Do not use AK28 HD/HD+ system to control your aircraft/vehicle at places with
intensive crowd (a square, a park), or at places with many obstructions (a street, a parking
lot), or in fields with strong magnetic or interference (an electricity plant, a radar station,
railways), or in any other fields where an irregular flight/operation may cause property loss
or human injuries.
Do not hold or cover transmitter antenna or obstruct its transmission by any means in
a flight or an operation.
Never point your transmitter antenna’s upper ends straightly to your aircraft/vehicle
while it is working, they are the weakest part for transmission.
Do not start your aircraft/vehicle when you are tired, drunk, in sickness or any
circumstances you are not feeling good.
Do not take off your aircraft when it is rainy, windy or at night.
Do not power off the transmitter while your aircraft’s/vehicle’s engines and motors are
still working.
Please always try to control your aircraft/vehicle within sight range.
Make sure that your AK28 HD/HD+ transmitter’s screen display the FC control center
and you can monitor their status before starting your aircraft/vehicle.
