DX7 FAQ's  
Is all this high technology difficult to operate?
Absolutely not, while Spektrum is an entirely new system bristling with state of the art technology, it requires no special talent or knowledge to operate, simply switch on the transmitter, an output light comes on instantly, then switch on the receiver in your model and in an instant you have a strong, secure link, with the added bonus of being able to use the DSM system with any and all of the servos, speed controllers and gyros that you already own.
It is recommended that before any flight, you should range test your equipment, that too is easy with Spektrum, simply depress the button on the back of the transmitter to reduce the transmitters output, then check to see if your the system works at thirty paces away, its that simple!		  


What happens if the band is full and I turn on my transmitter?

If you happen to be the forty-first person to turn on your transmitter will continue to scan until a frequency becomes available. Only then will it occupy that channel and start to transmit.

Will DX7 work with AR6000 receivers that are included with the DX6?

DX7 will work with AR6000 receivers, the ModelMatch function will also work and latency will be reduced slightly. You must remember though that the AR6000 is designed to work with shorter range park flyers and mini helicopters and even when used in conjunction with the DX7 transmitter should not be used in any larger types of planes

How long will the batteries last in the transmitter?
The included 1500 mAh transmitter battery offers nearly 6 hours of flight time.

Can I use other brands of servos other than Spektrum, including digitals with the DX7?
All of the major brands of three wire servos are compatible with DX7, including digital and high current draw versions.

 

Why is the receiver in two parts – what is the purpose of the second unit?
The AR7000 is in actual fact two receivers. The first receiver is located on the main board of the larger unit, the smaller satellite unit is the second receiver. By having a second receiver mounted in a different location with its aerial oriented in a different direction improves the RF link in hostile environments.

What’s the best way to mount the receiver set?
Mount the main unit as you would normally a receiver in a plane or helicopter but ensure the aerial wires are outstretched and straight. To achieve this it’s an idea to wrap the receiver in foam. The second, smaller receiver should be mounted a minimum of 50mm from the first with its aerial again outstretched and at ninety degrees to that of the main unit. In an aeroplane the side of the fuselage or a bulkhead is fine, on a helicopter the side of the radio tray works well. Because it is very light a small bracket can be fabricated to get the correct alignment and the receiver can be fixed in place with double sided servo tape.

 

The antenna wires are very short. Why so short and do they really work?
Aerial lengths are determined by the wavelength of the frequency they serve. 2.4GHz has a much shorter wavelength than 35MHz so the aerials don’t need to be as long. It makes housing the receiver much easier and you don’t have to have a long piece of wire trailing the outside of the model.

 

When using long servo leads and or Y-harnesses should I use amplifiers chokes or other filters?
As Spektrum’s 2.4GHz is immune to interference there is no need to add filters. Some types of amplified Y-harnesses don’t work with Spektrum so they are best avoided.