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Frsky R-XSR

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08 Jun 2019 19:44 #74480 by Carlos_Ribes
Frsky R-XSR was created by Carlos_Ribes
Can you tell me what protocol to use for the Frsky R-XSR Ultra receiver?

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08 Jun 2019 20:49 #74481 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
From what i remember it's the FrskyX protocol ...Have to adjust the fine frequency to get the bind strong ..

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09 Jun 2019 06:04 - 09 Jun 2019 11:14 #74483 by Carlos_Ribes
Replied by Carlos_Ribes on topic Frsky R-XSR
I do not get it, can you advise me how I adjust the frequency?
My transmiter is Jumper T8SG V2 PLUS.
Thanks
Last edit: 09 Jun 2019 11:14 by Carlos_Ribes.

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09 Jun 2019 22:18 #74487 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
not sure how to do it on the jumper but on my 12s i highlight the frsky protocol icon then enter and it shows a different screen to make the adjustments

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10 Jun 2019 05:43 #74488 by Carlos_Ribes
Replied by Carlos_Ribes on topic Frsky R-XSR
Thanks, also the JUMPER has the option Frecuence Fine, the default value is 0. And it can be changed to higher values. What do I have to go testing values?

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10 Jun 2019 16:22 #74492 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
It's trial and error basically...My 12s had to be set to -90 ...What i did was adjust it till i got it to bind then raise it till the bind light went off on the rx make a note of the number then lower it till the light goes off make note on that number then set the Freq Fine in the middle of the high and low numbers ...

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10 Jun 2019 17:03 #74493 by Carlos_Ribes
Replied by Carlos_Ribes on topic Frsky R-XSR
Thank you very much I'll try it.

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26 Jul 2019 01:56 - 26 Jul 2019 01:56 #74800 by ltwvince
Replied by ltwvince on topic Frsky R-XSR
Anyone managed to get voltage telemetry working? So far only RSSI is working correctly. I'm using latest fport FCC firmware.

The voltage only shows 4.90v all the time despite I have 2S battery My R-XSR is connected to Crazybee F4 FC.

Thanks.
Last edit: 26 Jul 2019 01:56 by ltwvince.

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26 Jul 2019 04:29 #74801 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
The 4.90v you are seeing is the voltage that the rx is receiving from the 5v on the FC..I believe there is a different setting in BetaFlight you have to use for F-port i havent used it myself i always S-Port but plan on someday in the near future trying F-Port ...Look under the Configuration tab in BF see if there is a setting somewhere for F-Port..

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26 Jul 2019 04:36 #74802 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
Read this it should get you setup and going...
oscarliang.com/setup-frsky-fport/

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27 Jul 2019 04:58 #74804 by ltwvince
Replied by ltwvince on topic Frsky R-XSR
I'm looked everywhere in Configuration tab in BF and I don't think I missed anything, I could be wrong but so far I've found nothing.

When I configured my F-Port, I was following the setup from the same oscarliang.com/setup-frsky-fport/.

Maybe I should give the current nightly build a try if the issue was resolved. I'm still using the Apr 13 nightly build.

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27 Jul 2019 16:14 #74806 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
Did you try the set
serialrx_halfduplex = ON
set serialrx_inverted = ON
save

in the CLI ?
Theres also some videos on U-tube that might help i remember seeing J Bardwell has one posted maybe check it out see if you missed anything..

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31 Jul 2019 17:23 #74816 by ltwvince
Replied by ltwvince on topic Frsky R-XSR
serialrx_halfduplex = ON >>> This option has to be OFF to R-XSR to work properly. ON will render R-XSR useless.
set serialrx_inverted = ON >>> This is required to be ON as well.

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01 Aug 2019 05:43 #74818 by magic_marty
Replied by magic_marty on topic Frsky R-XSR
so you got it working properly now?

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02 Aug 2019 03:14 #74821 by ltwvince
Replied by ltwvince on topic Frsky R-XSR
Everything is working fine except for the voltage telemetry. It could be the nightly version that I'm currently using but yet to test the latest version. Will try upgrading my nightly soon to test again.

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