I have a Hobbywing 50aV3 and a DX6 tx. Both display throttle in sync from 0 to 100. However the 50aV3 won't enter programming mode unless I up the tx endpoint to about 118. Any suggestions on how to bring that down so the ESC enters setup at 100 so I can accurately set the throttle range?

I assume you are using SATs and ESC pluged into Spirit. Have you tried to increase max Throttle range in Spirit? This will raise upper limit towards ESC.
TAB General => Gov/Throttle (Settings) => Throttle Range => Max 1950us

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Oxy4max SpiritPro + HW // SOXOS 550, SpiritPro, HW120A V4, 920KV // SOXOS 600, SpiritPro, HW160A, Pyro650 // SOXOS Strike7, SpiritPro, HW160A, Pyro750 // Skywing Spirit Aero // FrSky Horus X10S + Taranis X7 /

Yes, one satellite. No I will do that. Do I still need to calibrate the ESC afted since the Spirit will be matching after I increase the max throttle range? Sorry, still learning.

Yeap just increase the range a bit to get it to recognise max throttle then calibrate. Don't change the range after that though!

Thank you. So I'm trying to get from the 6 beeps that indicates 6 cells and armed, to two beeps indicating programming mode and stick at 100%. Max throttle was at 1900µs, and increased all the way to 2140 before the 6 beeps changed to constant beeping which just indicates the stick is not in the bottom position when powered on. 2130µs activates the 6 beeps. Not sure what to do next. I know if I up my TX throttle end point I can trigger programming mode. Not sure what to do next.

Ok a couple of things for you to try:

1. Reset the ESC to factory settings

2. Set the gov end points to the default values

3. Calibrate your transmitter to output 0-100 in the diagnostics page on Spirit

4. Then retry calibration. Governor should be switched off (tick box unticked).

It should work straight away the range mentioned above is way over the default and way over the values you need in your TX to set end points so there is something miss calibrated.

Follow sugested steps. If you wanna monitor whats send to ESC, use a Y Cable and plug a Servo in parallel, servo arm movment represents signal to ESC.

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Oxy4max SpiritPro + HW // SOXOS 550, SpiritPro, HW120A V4, 920KV // SOXOS 600, SpiritPro, HW160A, Pyro650 // SOXOS Strike7, SpiritPro, HW160A, Pyro750 // Skywing Spirit Aero // FrSky Horus X10S + Taranis X7 /

The governor was on. Now I know. Thank you, she's flying better than ever!

Yeah you need to disable it, calibrate then re-enable it.