User Manual

Matching 9XR Pro Throw to Other Radio Systems
It’s important to note that 100% on Ersky9x firmware corresponds to 125% on traditional
transmitters. Conversely, 100% on a Spektrum or Futaba transmitter is equivalent to 80% on the
9XR Pro. This matters if you are trying to match an existing setup designed for a traditional radio.
Limiting throw is really critical when it comes to programming ultra-micro models, such as the BNF
models from Blade, E-Flite and ParkZone. These use linear servos that will be physically damaged
if driven too far. That’s why their instructions warn strongly against using settings of more than
100% for a standard radio. For the 9XR Pro, this means throw MUST NOT exceed 80% for
channels 1 through 6.
There are two ways achieve this. One is to use 80% weights instead of the usual 100% in the
Mixer page. A better way is to leave weights at 100% but go to the Limits page and change limits
from 100 to 80 for channels 1 through 6.
Rotary Wing Models
Up to now, we’ve been talking about setting up the transmitter for fixed wing models. Of course, it
works equally well for helicopters and multi rotor models, but it does require some adjustment in
thinking if you are coming from experience with a more traditional transmitter.
The first thing to recognize is that all programming requires that you understand exactly what
needs to be done, and this is especially so for rotary wing models. It’s doubly true for the ersky9x
used in the 9XR Pro, as the very power and flexibility of the firmware requires that you tell it exactly
what you need it to do. So you have to understand both your transmitter and the requirements of
your model. We can’t explain in these few pages how to set up a flybar helicopter or how to
program the controller in a quad or flybarless heli. Fortunately there’s lots of good information out
there in the specialized forums and in the form of video tutorials.
For the traditional flybar helicopter using CCPM (Cyclic Collective Pitch Mixing), Ersky9x devotes a
page to setup. This page provides for different swash designs (90, 120 and 140 degrees). The
inputs to CCPM are aileron, elevator and throttle/pitch from the sticks, while the outputs of the
mixing are sent to the three swash servos, where they move the swash plate in such a way as to
produce cyclical (aileron and elevator action) and collective (pitch control) movements. Details of
CCPM setup are available in the forums.
For flybarless helis and multirotor models, the mixing is done by the control panel, and the basic
control setup is generally very simple. The complexities come in providing the signals required to
change the various modes of the control unit; this may require programming multiple switches to
work together. This varies from one controller to another and is beyond the scope of this simple
guide. Just keep in mind that ersky9x can do just about anything you ask it, but you have to figure
out the question!
Other Possibilities with the 9XR
The manual Ersky9x Explained is a great help in finding your way around the screens and getting
full use of your new radio.
When you operate a switch or turn a potentiometer you can have beeps or voice announcements
to confirm what action you have just taken. You can have voice announcements of alarms and a
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