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ModelMatch™ Technology
Some Spektrum and JR transmitters offer a patent pending feature called
ModelMatch. ModelMatch technology prevents the possibility of operating a
model using the wrong model memory, potentially preventing a crash. With
ModelMatch, each model memory has its own unique code (GUID) and during
the binding process the code is programmed into the receiver. Later, when
the system is turned on, the receiver will only connect to the transmitter if the
corresponding model memory is programmed on screen.
If at any time you turn on the system and it fails to connect, check to be sure
the correct model memory is selected in the transmitter. Please note that the
DX5e and Aircraft Modules do not have ModelMatch technology.
Frequently Asked Questions on Spektrum 2.4GHz
1. Q: After I’ve bound the receiver to my transmitter, which do I turn
on first when I want to fly?
A
: Either one. Every DSM
®
2.4GHz transmitter has a GUID (Globally Unique
Identifier) code imbedded in its signal. When you bind a DSM receiver
to your transmitter, this GUID code is stored in the receiver. If you turn
the receiver on before the transmitter, you don’t have to worry about it
responding to another transmitter. The receiver will go into failsafe mode
while it waits for a signal from the transmitter with the same GUID code it
has stored. See the Receiver Power Only section for more information. If
a DSM transmitter is turned on first you can expect it to connect within 6
seconds of powering on the receiver.
2. Q: Sometimes the system takes longer to connect or doesn’t
connect at all. Why?
A
: In order for a DSM system to connect, the receiver must receive a large
number of uninterrupted signal packets from the transmitter. This process
takes just a few seconds, but if the transmitter is too close to the receiver
(within 4 feet) or near refl ective material (metal objects, carbon fi ber
material, etc.) it may detect its own reflected 2.4GHz energy as “noise.”
This can delay or prevent connection. If this happens, make sure you are
a sufficient distance from metal objects and the receiver itself before you
power up and try again.
3. Q: How important is Flight Log information?
A
: All 2.4GHz signals, not just DSM, are affected by proximity to conductive
materials such as carbon fi ber or metal. If you are fl ying a model
that uses a lot of conductive materials in its construction, Flight Log
information can be helpful. The information collected when you fl y can
help determine the optimum location for your receiver(s) so you can
minimize the effects of these materials on your signal performance.
