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QMX Questions


 

A couple of questions while trying out my new QMX. The S meter does not display when enabled. In CW mode when I release the key I get a significant popping sound in my earphones. Any suggestions? Thank you


 

The S meter does not seem to be enabled in the FW yet. People have reported that disabling the battery meter solves the key click issue. We are using a very immature software right now. Soon we should graduate from alpha to beta releases.?
--
Colin - K6JTH?


 

S meter probably not implemented yet. Firmware is very alpha.
Check band configuration Tx/Rx Parameter 2. If they are 0 change them
to 1 and that may take care of the popping.

-mike/w1mt

On Fri, Jul 14, 2023 at 3:44?PM George Carey <glcareyii@...> wrote:

A couple of questions while trying out my new QMX. The S meter does not display when enabled. In CW mode when I release the key I get a significant popping sound in my earphones. Any suggestions? Thank you


 

Thank you Mike and Colin for your kind and helpful responses. Mike, how do I access the band configuration? I don't see this on the menu options.

george/n9dxp


 

There is a page of parameters linked to the first option. I think it is the first. I am not at my QMX. Too nice at the beach. ;) There are two rows of numbers at the bottom of that screen. You have to go to the value you want to change and hit back space. Enter the new one and then use ctrl q to exit.?
--
Colin - K6JTH?


 

Hi George,
I have the same, swr meter is not working on this moment and I have also the popping sound when release the key or paddle.
These are firmware issues.
73's Jacques PA3EVZ
Op 14 jul. 2023, om 21:44, George Carey <glcareyii@...> schreef:

A couple of questions while trying out my new QMX. The S meter does not display when enabled. In CW mode when I release the key I get a significant popping sound in my earphones. Any suggestions? Thank you


 

I thought I read that the new 003 firmware release fixed the CW pops.

73
Evan
AC9TU


 

Hi
No only the band config.

73's PA3EVZ
Op 14 jul. 2023, om 22:48, Evan Hand <elhandjr@...> schreef:

I thought I read that the new 003 firmware release fixed the CW pops.

73
Evan
AC9TU


 

Evan, it¡¯s my understanding that 002 fixed one source of the pops but left a key up one.?
--
Colin - K6JTH?


 

Jacques,
Thank you for the clarification.?


73
Evan
AC9TU


 

You need to connect through a serial tool. I use putty to connect to the rig via the usbc port. Then Band Configuration is one of the menu options there. It's not on the rig menu system. Perusing the QDX documentation will provide more details if needed.

-mike/w1mt


 

As long as you have Tx/Rx param 2 set to 1, there should be no pops on keying. If you don't have Battery Monitor on, you shouldn't have any significant keying timing issues.?
--
73, Dan? NM3A


 

Very good Mike, that helps a lot. This is my first QRP Labs radio so I was a bit lost.

George, n9dxp


 

Thanks Dan. Just wondering why having the battery monitor on or off makes a difference.

Thanks,
George, n9dxp?


 

I am guessing that there is an interrupt that is not being serviced in a timely manner but having never seen the code, I can only guess. ?
--
Colin - K6JTH?


 

George,
?I have no idea as to why Battery Monitor makes a difference either. But I've been there with unexpected s/w glitches.?
--
73, Dan? NM3A


 

Thanks Dan and Colin, A lot of the experience for those of us who are building these rigs is learning and understanding them. Nice to have a group to work through the process.

73,

George, n9dxp


 

George, if you haven't found it yet, check out this thread.

/g/QRPLabs/topic/99584903#103926

--
John K1YYM


 

Got it, thank you John

George, n9dxp