I would like to block Digi mode audio from going to the earphone jack. The audio levels are painfully loud when adjusted for correct usb output to WSJT-X. I am afraid to switch between sidebands or to CW without removing headphones first. Any Suggestions ?? QMX+ with 1.02 .

de VK6XT

Set the menu to mute at minimum volume, then just turn the volume down.

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73, Dan - W2DLC

On Thu, May 22, 2025 at 09:23 AM, Daniel Conklin wrote:

Set the menu to mute at minimum volume, then just turn the volume down.

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73, Dan - W2DLC

The front panel volume control has nothing to do with the USB output level.

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73, Dan - W2DLC

Fred,

AGC is not necessary with the Digi mode because the audio is always at 100%. You don't even need to listen to it since it's encoded ad interpreted by the computer. If you do want to listen to it, then just turn down the earphone volume.?

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73, Dan - W2DLC

Maybe digi mode should be selectable from the menu rather than the rotary knob selection? I find it a bit of an irritation that when tuning across a band that i have to cycle through digi mode (at loud volume) just to change from LSB to USB modes.?

Just an idea…

73 Ken g4apb?

Fred,

AGC is not necessary with the Digi mode because the audio is always at 100%. You don't even need to listen to it since it's encoded ad interpreted by the computer. If you do want to listen to it, then just turn down the earphone volume.?

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73, Dan - W2DLC

I am with you Ken..do not want to select Digi mode via the rotary encoder intentionally or unintentionally whilst switching modes.

On Thu, May 22, 2025 at 05:00 AM, Rick Hill wrote:

The audio levels are painfully loud when adjusted for correct usb output to WSJT-X.

I think I understand what you are saying, and the need for an audio change - but I think the words you used are not quite accurate.

Adjusting the USB level for WSJT-x doesn't (or shouldn't) affect the audio level out the earphone/headphone jack.? They are separate audio paths.

So I think the reason the headphone audio level for digi mode is very high is for a different reason.

I believe it is because the way you set filters/AGC for CW mode (and SSB) requires you to turn the audio gain higher to get the appropriate CW audio level - and that makes the audio level in Digi mode higher.?

Since digi mode is not affected by the AGC, this makes it comparatively very loud.

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I don't experience this problem with my setup, perhaps because I use different AGC settings (something close to the default), and don't often listen to weak CW signals for which I turn up the volume.

Does this sound like it could describe what you are experiencing?

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If so, yes, I agree that adding a capability to silence the headphone audio for just digi mode would be useful.

Stan KC7XE

Yes Stan, that is the scenario. When listening on headphones to relatively weak signals in, for instance LSB mode...to change to another mode you can only click forward passing through Digi mode. In my case and the same for others posting to this group, audio is painfully loud. I don't believe that I have changed any settings other than the band configuration overall audio gain. I do not support the use of AGC for digital modes either. The difference in headphones levels is the problem. If the levels for LSB, USB and CW were higher, the end result would be the same as by reducing Digi level.

de VK6XT?

Audio levels problem solved ! It was due to incorrect parameters in the AGC settings. I swear I did not do it....think these defaults came with v1.02 ? The AGC threshold was set to 15...should be 8. Also sample blocks was 2....should be 5. The audio levels on all modes are now roughly the same. Audio attenuation setting I have now increased to -100dB, seems I have very sensitive headphones.

de VK6XT?

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