Surface Systems
I see you offer a voltage protector (SPM1600). What is it, what's it or, and do I need one?
With certain electronic speed controllers, the BEC output is unable to supply enough power to
operate high current draw digital servos. This can result in momentary loss of control, especially
during hard acceleration and when the battery pack is almost completely discharged. The voltage
protector is a capacitor that is installed in any open channel in the receiver and it provides the
power needed to maintain control during these periods. With most ESC's this is not a problem.
The situation is most prevalent when running 4 cells (oval or 1/12-scale) with an ESC that has a
low power output.
Can I run a personal AMB transponder with my Spektrum system?
Of course you can. Just plug it into an open channel or, if an open channel is not available, then
use a Y-harness.
What is the difference between the Standard and the Pro Series modules and receivers?
The Pro Series equipment features a conformably coated receiver board that makes it water
resistant along with being fuel and dirt proof. The Pro Series modules and receivers also use
higher-grade reference crystals for an improved RF link. The receiver and module cases are also
new, smoked gray and fuel resistant. Both systems are compatible with the optional telemetry
system.
What is the voltage range of the SR3000 receiver and can I use a 2-cell Li-Po pack direct?
The receiver can handle up to 9.6 volts. The real limitations are the servos. Some servos are
capable of operating at higher voltages while others are not. Check with the servo manufacturer
that you're using for specific details.
Will the M8 module work in the M11?
All current stock of M8/ M11 modules will interchange in the M8 or M11 transmitters. Originally
the M11 wasn't available so the original modules were designed to fit only the M8. If you have
one of these old M* modules and would like to have it upgraded, send it in to Spektrum's service
center and it will be upgraded free of charge.
Early on, some drivers were saying the Spektrum system was noticeably slower than their
conventional system and switched back. Why was this?
Since the introduction of the early surface systems, Spektrum has made significant advancements
in software and hardware technology and the current systems are faster, have an improved RF
link and are more durable and robust than the early system. If you demand to fastest possible
response, the Spektrum Pro Series modules and receivers are the fastest available.
How long will my transmitter battery last?
The Spektrum module is very efficient and will actually last nearly twice as long as your current
27 or 75MHz system. We can't give a specific time, because it depends on the type of battery
you're using, however, an Airtronics M11 with brand name alkalines will operate for over 7 hours
with the Spektrum module.
We have several Wi Fi systems and Wireless Routers running at our indoor track. How will
this effect the Spektrum system?
These systems typically operate on the 2.4GHz band and, while they do occupy some of the
bandwidth (channels), they must abide by FCC rules and incorporate collision avoidance. So
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