IC9700 Tx Audio via LAN Issue

Hello everyone,

I am currently setting up a remote control system for my IC-9700 using wfview over a WireGuard VPN connection. While the connection is stable and most functions work correctly, I am struggling with TX audio.

Here are the details of my setup and the issue:

  • Connection: Remote via WireGuard VPN.

  • Audio Configuration: In “Radio Settings,” both modulation inputs are set to LAN.

  • Audio System: I have tested both RtAudio and Qt Audio with the same results.

  • Observations: I enabled the additional meters in wfview and I can clearly see the input levels increasing when I speak into the microphone. This confirms that wfview is receiving my local audio correctly.

  • The Problem: Despite the input levels showing activity, no audio seems to reach the radio (or it isn’t being transmitted). Interestingly, it seemed to work briefly during my initial tests, but then stopped altogether.

I have already tried power-cycling the radio and restarting the software, but the issue persists.

Does anyone have any hints on what might be causing this “drop-off” in TX audio or any specific buffer/sample rate settings I should check for a VPN-based setup?

73 Manuel

I have two ideas:

At the physical radio; verify the mod input is set to LAN.

Also at the physical radio, check the LAN MOD level.

If you’re seeing the wfview TxAudio meter moving, then you’re good to go wfview-wise.

Hi,

thanks for the reply! I’ll check it as soon as I have the radio in my hands.

73, Manuel

I hope you find a solution. I am using a mac mini and macbook air. I can control the radio. I can transmit with it but I get an echo. yet to get the speakers to let me hear receive. Though the waterfall shows the transmitter.

If you hear an echo then your audio sources are likely set incorrect or you’ve got the radio’s Monitor feature turned on. What do you have selected for transmit and receive audio sources in settings? What audio system are you using?

I didnt mean to hijack Manuel’s thread. I hope this is ok. Monitor checked and off. I have tried radio sport with the correct cable, nothing. I have a dji wireless mic with a usb connection to the mac, lots of echo. I can get the radiosport to work with sdr control but still has same echo. Recieve seems ok. Happy to share screen shots if it helps. Suggestions welcome.

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Hello!

I finally managed to get my hands on the radio and, just as you suspected, the LAN MOD level was set to 0.

It looks like adjusting it directly on the physical radio was the only way to go. It’s working like a charm now—thanks for the tip!

73, Manuel

Glad it’s working. I suspect we had a bug there. I can’t remember if we fixed it in the repo yet or not.

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