SOLVED: [K3] Need help with soundcard digital mode transmit

[Don Putnick]

Me again.

I want to thank all of you who took the time to help me. I really do appreciate it. I learned a lot in the process. The cause was being too cheap with the VOX gain; it's way up there now. For whatever reason, I never had to adjust the VOX setting on my FT-890.

Have a great weekend!
73 Don NA6Z

-----Original Message-----

>From: Don Putnick <[hidden email]>
>Sent: Jun 9, 2011 10:03 AM
>To: [hidden email]
>Subject: [K3] Need help with soundcard digital mode transmit (retry)
>
>Hi all,
>
>I'm the proud new papa of Elecraft K3 #5495. I've been able to receive PSK31 via both the rear line-out and the rear speaker jacks. The line-out jack appears to be at a fixed level, which is a little low, but the rear speaker jack with volume control works just fine (that's the approach I used on my Yaesu FT-890).
>
>The problem is I can't get my MacBook to work with the VOX. I've tried the rear line-in and the rear mic jacks, VOX Gain and LOW/HI MIC gain, all in DATA A. Haven't tried USB mode though. And yes, the MacBook is putting out a PSK31 signal.
>
>I'd really appreciate any helpful hints.
>Thanks and 73, Don NA6Z
>

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[Greg - AB7R]

No problem Don.  Always glad to help.  Enjoy the digital modes.

73
Greg
AB7R


On 6/10/2011 4:31 PM, Don Putnick wrote:

> Hi Greg,
>
> Thank you sooo much! The VOX gain was the cause of the problem.
>
> Have a great weekend; I certainly will.
>
> 73 Don NA6Z
>
>
> -----Original Message-----
>> From: Greg<[hidden email]>
>> Sent: Jun 10, 2011 9:48 AM
>> To: Don Putnick<[hidden email]>
>> Subject: Re: [K3] Need help with soundcard digital mode transmit
>>
>> I always use stereo cables.  The jacks on the K3 are all stereo.
>>
>> Let me know how it turns out.
>>
>>
>> On 6/10/2011 9:37 AM, Don Putnick wrote:
>>> Hi Greg,
>>>
>>> Thanks for the quick reply. No, I didn't adjust the VOX gain. I didn't have to on the 890, so it didn't occur to me. I'll give that a try over the weekend.
>>>
>>> To clear up some disagreement I've read, does it matter whether I use a stereo plug or a mono plug with the LINE IN jack?
>>>
>>> 73 Don NA6Z
>>> -----Original Message-----
>>>> From: Greg<[hidden email]>
>>>> Sent: Jun 10, 2011 9:12 AM
>>>> To: Don Putnick<[hidden email]>
>>>> Subject: Re: [K3] Need help with soundcard digital mode transmit
>>>>
>>>> Don.
>>>>
>>>> Did you try turning the VOX gain almost all the way up?  When using VOX
>>>> for the Line IN it needs to be set very high....almost at max.
>>>>
>>>> 73
>>>> Greg
>>>> AB7R
>>>>
>>>>
>>>> On 6/10/2011 7:22 AM, Don Putnick wrote:
>>>>> Hi guys,
>>>>>
>>>>> I'm not able to transmit PSK31 using the MacBook sound card and VOX. I asked the mailing list, but I think I'm already doing what they suggest. I must be doing something really basically wrong.
>>>>>
>>>>> Here's how I used to transmit PSK31 using the same MacBook and my Yaesu FT-890. I used a mono audio cable with a stereo to mono plug adapter at the sound card end. I used the Patch In audio connector on the rear of the 890. My sound card volume was set to 25%. I turned up the 890's Mic Gain very slowly because the setting was low and very sensitive; power out jumped quickly from nothing to desired setting. Of course, the VOX button was on.
>>>>>
>>>>> The receive paths for sound card mode using LINE OUT and SPEAKER OUT work just fine. Just to make sure I wasn't going crazy, I pulled out the Heil headset and tried USB. Easy. Everything worked just fine.
>>>>>
>>>>> I've tried just about every combination I can think of: DATA A vs SSB, LINE IN vs REAR MIC IN (both LO and HI), mono plug vs stereo plug at the back panel, low vs high MIC GAIN, low vs high sound card output. By the way, no sound is making its way from the K3 monitor. The way the mailing list makes it sound easy: VOX ON, DATA A, LINE IN, sound card output to LINE IN, adjust MIC GAIN.
>>>>>
>>>>> I'd really appreciate any advice you have to offer. I'm becoming more than a bit frustrated. Otherwise this is one great radio! Thanks.
>>>>>
>>>>> 73 Don NA6Z
>>>>>
>

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