Hello,

I have the latest firmware (V 5.0) on my Futaba Remote Control T14SG and connected the Receiver R7008SB to the Pixhawk with the stable firmware (i also tried the beta and developer version).

The R7008SB is set to Mode B.

I do the setup with the qgroundcontrol software (QGC)

When uploading I keep getting the error: #audio Error: 1 config error(s) for RC channel 18"

When looking at the parameter field for RC18 i see these settings:

RC18_DZ 0 / MAX 2998 / MIN 998 / REV 1 / TRIM 1998

In addition, the R/C LED (amber led) of the Pixhawk in the IO segment stays constant on.

Anyhow, the R7008SB only connects to the T14SG when i select 'Fassttest 14 CH' in the Modulation menu. When selecting any other option e.g. the 12 Ch. mode, the R7008SB will not link (led stays red).

Isnt this to supposed to work in any modulation?

When calibrating the RC, I would find that some switches, e.g. SB or SC do not react when switching them, and the SA and SD switch each simultanuasly switch channel 14 and 18 or 13 and 17.

There must me something wrong connected to all these problems.

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Replies

  • I have same Thomas problem.

    The pixhawk recognize the Futaba SBUS and when I turn On the Radio, the receptor light turn Green (linked), but the QGroundControl not recognize the radio linked on software. Understood?

    If I apply Mission Planner firmware on Pixhawk, the Mission Planner recognize radio immediatly, but the Qgroudcontrol not, I think this is the Thomas erro too, is not?

    Someone know how fix this problem?

  • Hey Guys,

    I've just come across exactly the same problem...

    Pixhawk with Futaba R7008SB rx and 14SG tx

    After calibrating i get an RC critical error

     RC ERR: RC_18_MAX > 2500

    Also have the same issue with the switches.

    Anyone help?

    Cheers

    James

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