[Elecraft] Adapter for use between iPhone headset and a KX2/KX3

[Wayne Burdick]

> On Jul 2, 2018, at 5:20 PM, Phil Hystad <phystad at mac.com> wrote:
> 
> Do you recommend speech
> compression set to max or was that just a test of audio quality check.  

I generally leave TX CMP at 20, but even at 30, the audio is very clean. The extra punch can help with QRP and/or small antennas.


> 
> I still have all my iPhone headsets from my original iPhone 1 through my current 6s.  Actually,
> still have all those iPhones too.  I may test each one to see how they work — now, I need to
> find them all though.  Just ordered the Y-adapter cable from Amazon.

Just be sure to listen to your signal on another receiver (well attenuated) before going on the air.

73,
Wayne
N6KR


> 
> 73, phil, K7PEH
> 
>> On Jul 2, 2018, at 5:09 PM, Wayne Burdick <n6kr at elecraft.com> wrote:
>> 
>> Several KX2/KX3 users have asked what I use as an adapter to go from an iPhone headset to the rig’s headphone and mic jacks.
>> 
>> Here it is:
>> 
>>  https://www.amazon.com/gp/product/B00PYZ2BT4/ref=oh_aui_bia_detailpage_o02_s00?ie=UTF8&psc=1
>> 
>> This unit works beautifully with both my old and new iPhone headsets. The combination of the headset and this adapter take a tiny amount of space in my go-bag. Audio reports are great, even with speech compression set to max (MENU:TX CMP). 
>> 
>> You’ll need to set MENU:MIC BIAS to ON, and I also recommend setting MIC BTN to OFF. 
>> 
>> You can tap the XMIT button to start voice-mode transmit, or use VOX. See VOX menu entries in the owner’s manual.
>> 
>> Note: There’s a rumor that one legacy version of the iPhone headset was different from the others. I don’t have any info on this, but it means there’s a slight risk that this $6 adapter won’t work in your case. But it certainly works with the earpods I bought a couple of months ago.
>> 
>> 73,
>> Wayne
>> N6KR
>> 
>> 
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>