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I recently upgraded from my trusty old Turnigy 9X to a shiny new Turnigy 9XR, and had to figure out the channel mixing for it to work with my APM.

There are a few resources on the internet on how to do this (including here on diydrones), but non specifically for the 9XR.

I managed to set my transmitter and APM up such that I have 3 separate switches.

  1. The ELE D/R is now my Emergency RTL switch, which overrides all other switches. (This connects to CH7 on APM and is assigned the RTL function.)
  2. The AIL D/R is my Auto mode ON/OFF switch, which overrides the 3-way switch.
  3. The 3-way switch allows me to switch between flights modes Stabilize/Alt Hold/Loiter.

(Of course you can re-assign the modes to anything you like. But this arrangement works well for me!)

You then have to connect receiver CH6 to APM CH5 for arducopter (or APM CH8 for arduplane). And connect receiver CH7 to APM CH7 for arducopter (I don't believe arduplane has an assignable CH7 for RTL mode, although it ought to have).

Hope this helps someone!

-LPK, ConservationDrones.org

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Comments

  • Hi guys, "!" means inverted on the 9XR.

  • Disregard, I found that the ! is the same as "not". So if I understand it right, when it is attached to a switch, like in this case the AIL then it is the same as saying do not use this switch.  Which I might guess is so other switch programming can be implemented. 

  • Not sure if you will see this post since it has been quite a while since this blog was created...but...what does the ! do, is this was makes the AIL switch over ride the other switch settings?  By the way, excellent blog, it really helped a lot.   Thanks.

  • Hi, cool setup.

    I am thinking it is a safer setup than the 6 position mixer ... lets call it the "3+1+1" setup ... good for my lazy brain ... thanx for sharing!

  • Good guide. I setup the 6-position switch for my 9XR along with a "fail safe" switch to go back to Stablize. https://www.youtube.com/watch?v=UJ8pkLg8Fcc

  • 100KM
    I love the emergency override RTL! Thank you!
  • Can you attach your config file?
  • Thanks for the post mate,will come in handy.

  • you think this will also work on an old 9x ?

    Earl

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