Hi Fred,
thanks for that. The levels you list do not show the all the
gain/attenuation stages as you are using the 64-bit version of WSJT-X
(confirmed off list). There is an extra level slider in the MS Windows
audio mixer panel for the WSJT-X application itself, this slider is only
displayed when the application is in Tx mode.
I suspect you have excessive and unnecessary attenuation in the digital
part of the audio chain, and this may be part of the issue. The issue
appears to be RF being generated in the period of silence before the FT8
transmission tones start, that should not happen and may be a fault in
the transceiver, but before going further with that line I suggest you
try and rationalize your various level settings to eliminate unnecessary
attenuation and set the audio level only with the DATA MOD LEVEL in your
rig's menu. This post contains a procedure that should achieve that:
https://groups.yahoo.com/neo/groups/wsjtgroup/conversations/messages/38922
73
Bill
G4WJS.
On 02/12/2019 12:55, Frederic Beaulieu wrote:
Hi Bill,
I usually use around -8dB on the slider which output around 25W. I set
the Speaker output level to 50% and IC-7300’s USB Mod Level to 27%.
73,
*De :*Bill Somerville <[email protected]>
*Envoyé :* 2 décembre 2019 06:14
*À :* Frederic Beaulieu <[email protected]>
*Objet :* Re: [wsjt-devel] Problem with radio's audio input
Hi Fred,
what level do you have the "Pwr" slider on the WSJT-X main window set at?
73
Bill
G4WJS.
On 02/12/2019 10:34, Frederic Beaulieu wrote:
Ok, thanks.
You can see in the link below the noise at TX start:
https://youtu.be/peVSAZQ08yU
<https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2FpeVSAZQ08yU&data=02%7C01%7CFrederic.Beaulieu%40trilliant.com%7C2ae827da836a4ccdcdae08d77718bd46%7C4f6fbd130dfb415085c3d43260c04309%7C0%7C0%7C637108820461481425&sdata=TtCmElZ6kEFjmog2RWB%2F6jm%2FQdKOiLLcJmHPd0mEbkY%3D&reserved=0>
which cause power overshooting at the beginning of the timeslot.
73,
*From:*Black Michael via wsjt-devel
<[email protected]>
<mailto:[email protected]>
*Sent:* 1 décembre 2019 23:36
*To:* WSJT software development <[email protected]>
<mailto:[email protected]>
*Cc:* Black Michael <[email protected]> <mailto:[email protected]>
*Subject:* Re: [wsjt-devel] Problem with radio's audio input
Yes you can post a web link.
de Mike W9MDB
On Sunday, December 1, 2019, 06:21:03 PM CST, Frederic Beaulieu
<[email protected]
<mailto:[email protected]>> wrote:
Hi,
I'm using WSJT-X/FT8 regularly for more than a year now. One month
ago, I start to notice on my IC-7300's audio scope that
occasionnaly, no audio was sent to the radio. The problem seems to
get worse (more frequent) and now I'm seeing a kind of noise at
the beginning of many of my transmission. Anyone knows how I could
verify if it is a problem with my radio, the sound card (which is
embedded in the radio I think) or the WSJT-X software?
73,
Fred VE2WFB
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