Thanks in advance for any help anyone can provide. I’ve searched & I’m guessing that this still can’t be done? It would be nice to not have to always scroll down onto the panel and mouse click on the transponder to change it between off, standby, test, on & alt.
You can do this via sim connect assuming you are on PC. Any of the 3rd party apps like Air Manager, Mobiflight, FSUIPC, Axis & Ohs etc can do this.
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Ah! Spad.next uses SimConnect, and as it’s the only 3rd party software I’m running I did indeed just figure out how to use it to assign control bindings to an interface. Works great. Thanks!
Example
Static Value
0 - stby
1 - alt rptg
2 - xpndr
3 - TA only
4 - TA/RA
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They are TCAS modes and not transponder states. They are also specific to one aircraft type and not generic.