[Elecraft] K3 / SLUSB / CocoaModem

[Greg]

Jim,  Just make sure when adjusting the power your ALC reading on the
K3 must show 4 bars of ALC with the 5th bar just flashing.  This is
counter intuitive based on other rigs but a necessity for the K3.  If
you are using the line in gain or the TX control on the SLUSB to
regulate power you may be changing the ALC levels.

73
Greg
AB7R


On 12/12/12, Jim Bennett <w6jhb at mac.com> wrote:
> Guys - thanks for the replies!
>
> By now you've probably read my post that I got it all working. As to having
> the SLUSB, after reading the K3 and KE7X manuals, it just seems that using
> the external sound card like the SLUSB makes it a little easier. Haven't
> looked at the iMic, but with the SLUSB, I can leave the K3's RF Power set at
> 90 watts where I normally have it for CW and control the power out for PSK31
> with the SLUSB TX control. PLUS - I had a nice $25 discount coupon from DX
> Engineering and just couldn't resist getting that SLUSB for the lower price!
> :-)
>
> ALso, I had forgotten about the "Test" mode of the K3 for such purposes -
> thanks Rick!
>
> CU on the air - Jim / W6JHB.com
>
> On   Tuesday, Dec 11, 2012, at  Tuesday, 11:10 PM, Bill Frantz wrote:
>
>> On 12/11/12 at 9:14 PM, k6limaecho at gmail.com (Rick Prather) wrote:
>>
>>> Not sure why you feel the need for the SL [SignaLink] with your K3 but
>>> that's up to you.
>>
>> The MacBook Air has only a single audio port. The Apple web site is a bit
>> light on technical information (no surprise there), but it says the
>> MacBook Air includes:
>>
>>  Headphone port
>>  Support for Apple iPhone headset with remote and microphone
>>
>> If indeed it will take a 4 conductor plug (with a tip, 2 rings, and a
>> sleeve), then it may be possible to skip the SignaLink by wiring a plug
>> correctly. A friend who has done so for connecting a iPhone to a wired
>> phone system says that the resistance value of the microphone connection
>> is what is used to determine whether the plug is a 3 conductor stereo plug
>> or a 4 conductor stereo + microphone plug.
>>
>> In any case, having the SignaLink lets you use the cocoaModem "monitor"
>> feature to listen to the incoming signal. Not a great advantage with the
>> K3 since you can just turn up the audio volume on the K3, but sometimes
>> useful to hear what the computer hears.
>>
>> Cheers - Bill, AE6JV
>>
>> ---------------------------------------------------------------------------
>> Bill Frantz        |"We used to quip that "password" is the most common
>> 408-356-8506       | password. Now it's 'password1.' Who said users
>> haven't
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>>
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