[Elecraft] KX3 + iMic Sound Card = Wild Scan
David Ahrendts
davidahrendts at me.com
Wed Jan 14 18:44:46 EST 2015
High fives to everyone who helped a dig-newby get up and running. Happy to say FLDigi is cookin’ on the Mac Mini using a SignaLink sound card and a home brew cable to the KX3-KXPA100. Thanks especially to Dave, G0WBX, who provided detailed help. Had my first PSK QSO LA to Alberta last evening. Love digital with the KX3.
David Ahrendts, KC0XT, Los Angeles
> On Jan 8, 2015, at 7:28 AM, David Ahrendts <davidahrendts at me.com> wrote:
>
>
>
>> Begin forwarded message:
>>
>> From: Dave B <g8kbvdave at googlemail.com <mailto:g8kbvdave at googlemail.com>>
>> To: elecraft at mailman.qth.net <mailto:elecraft at mailman.qth.net>
>> Date: January 8, 2015 at 4:25:49 AM PST
>> Subject: Re: [Elecraft] KX3 + iMic Sound Card = Wild Scan
>>
>> Use a 4 pole jack plug too helps.
>>
>> Tip, Ring, Ring, Sleve.
>>
>> They are relatively easy to obtain.
>>
>> You may also (probably will) need a resistive atenuator, and maybe a DC
>> blocking cap between the iMic's line out, and the KX3's Mic input. Or setting
>> levels "gets tricky!"
>>
>> For receive, there are other issues, using the Phones jack, mutes the rig's
>> speaker.
>>
>> Using the I/Q output, is another way, but I've had poor results with that. I
>> ended up making a cable that had a floating jack socket, to connect a small
>> speaker or 'phones to, while using digimodes, that in turn connects to the Phone
>> socket on the rig.
>>
>> For Fldigi use, set the rig into USB and DATA A mode (turns off any/all TX/RX
>> equalisation, but keeps the settings you have for voice modes.)
>>
>> Set the rig's filters so that it passes just about everything between 100 and
>> 3000Hz to the iMic. Let Fldigi do all the heavy lifting.
>>
>> Use USB for ALL Fldigi work, even if you are working on the "low bands". If you
>> need to swap tones (for some RTTY needs) use Fldigi's "Rev" button (lower
>> right.)
>>
>> If you have the USB<>KX3 serial lead, try using the K3 driver XML file
>> (download from the Fldigi XML archives page
>> http://www.w1hkj.com/xmlarchives.html <http://www.w1hkj.com/xmlarchives.html>)
>>
>> Or try using Flrig also set to use a K3. Hamlib results vary!
>>
>> Then the frequency values in Fldigi follow what the rig is doing, much easier to
>> use that way.
>>
>> (The RIGCAT XML route is my preference, edited so that JUST the tuning and
>> frequency data passes back/forth, I prefer to manipulate the radio's other
>> settings by mk1 fingers at this time.)
>>
>> Note, the KX3 and K3 use a CAT protocol that is very similar to that used by
>> Kenwood. There is a lot you can do with it, but there are some significant
>> differences!
>>
>> Enjoy!
>>
>> 73.
>>
>> Dave. G0WBX.
>>
>>
>>
>>> David,
>>>
>>> Set MIC BTN to OFF
>>>
>>> That should fix it I think.
>>>
>>> 73
>>>
>>> David Anderson GM4JJJ
>>>
>>>> On 7 Jan 2015, at 02:53, David Ahrendts <davidahrendts at me.com <mailto:davidahrendts at me.com>>
>>>> wrote:
>>>>
>>>> Strange one. Trying to make audio in and out connections with my Mac
>>>> Mini and
>>> my KX3 Line for use with cocoaModem and FLDigi. Mac Mini ?sees" the
>>> Mic, and responds to the RX I/Q stream from the PX3. BUT, when I
>>> connect the iMic to the KX3 MIC port, it sends the KX3 into a scan
>>> frequency mode. What am I doing wrong? > > David Ahrendts, KC0XT, LA >
>>>
>>
>>
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> David Ahrendts davidahrendts at me.com <mailto:davidahrendts at me.com>
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David Ahrendts davidahrendts at me.com
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