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When running mmdvmcal, when it starts, I see the following lines:

MMDVMHOST: No process found
MMDVMHost_NoOLED: No process found
MMDVMHost_Adafruit: No process found.

Then when activating the transmitter, I get the following error:

Received a NAK to the CAL_DATA command from the modem: 2

Happening to all 4 of my hotspots, so I'd say it's an issue.

I'm unable to replicate your issue! I tried on three hotspots (jumbo, zum & duplex) and mmdvmcal is working. What make or mmdvm hat are you using?

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I've changed the frequency to my transmit freq. I've also left it at the default. Neither work.

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KD8DVR wrote: ↑Mon Jul 15, 2019 10:51 am I've changed the frequency to my transmit freq. I've also left it at the default. Neither work.

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Are you sing sudo pistar-mmdvmcal as the command to start the program?

AF4FA wrote:

KD8DVR wrote: ↑Mon Jul 15, 2019 10:51 am I've changed the frequency to my transmit freq. I've also left it at the default. Neither work.

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Are you sing sudo pistar-mmdvmcal as the command to start the program?

Uh. Yes

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Can you tell us more about what modem you have, that may shed some light on it...

MW0MWZ wrote: ↑Wed Jul 17, 2019 11:08 am Can you tell us more about what modem you have, that may shed some light on it...

Hi Andy,

Well, all 4 are China spots. 3 simplex ones and one duplex.

Is the firmware up to date on the board(s) ?

MW0MWZ wrote: ↑Wed Jul 17, 2019 4:44 pm Is the firmware up to date on the board(s) ?

Yes totally up to date

Well the error occurs with *all* my hotspots.(I have 4 now in service) mmdvmcal worked fine on my first two *before* the update to 4.1. (the other 2 were either purchased after 4.1 or I have never needed to use mmdvmcal) I only have one duplex board, the rest are the simplex jumbospots.