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Icom Ic-A210

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nuckolls.bob(at)aeroelect
Guest

Posted: Sun Jun 02, 2013 4:28 pm Post subject: Icom Ic-A210

At 12:51 PM 6/2/2013, you wrote:

  	  Quote: 	
		  Hi Bob, 

 Sorry to be such a pain but I am at the point where looking at the instructions the diagrams do not show the complete terminals for the mic and headsets. They show the tip  and the common as depicted by a blacked out triangle pointing down. But not the ring. What do I connect or what am I missing. A210. 	


 I presume you're wrestling with this diagram . . . or siblings . . .



  [img]cid:7.1.0.9.0.20130602191914.0037c9f8(at)aeroelectric.com.0[/img] [/b]



 

 I note that NONE of their suggested drawings wires up

 a jack for use with a hand-held microphone and PTT button.



 ALL diagrams wire to ONLY the ring terminal for bringing

 microphone audio into pins J and K. All PTT wiring is to

 stick-mounted push-buttons. If you want to ADD the wire such

 that PTT control comes in through the mic jack too, you simply

 run it from jack-tip to pin 9. This can be in parallel with

 any stick-mounted push-buttons.



 

   Bob . . .

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barber_seville(at)msn.com
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Posted: Mon Jun 03, 2013 9:49 am Post subject: Icom Ic-A210

Ok Bob, 

I guess I didn't express myself correctly as I am having trouble with the symbiology involved with these devices. Is it correct to say that the symbol that looks like a little rectangle is the symbol for the "sleeve"? And is it correct that the symbol that looks like an inverted pyramid blackened is for the "ring"? And for clarification purposes in your drawing of the Microcom 760VHF transceiver is the symbol that looks like a Pyramid blackened the "tip" or PTT?



Chuck

 

Date: Sun, 2 Jun 2013 19:27:37 -0500

To: barber_seville(at)msn.com; aeroelectric-list(at)matronics.com

From: nuckolls.bob(at)aeroelectric.com

Subject: Re: Icom Ic-A210





At 12:51 PM 6/2/2013, you wrote:


Hi Bob, 


Sorry to be such a pain but I am at the point where looking at the

instructions the diagrams do not show the complete terminals for the mic

and headsets. They show the tip  and the common as depicted by a

blacked out triangle pointing down. But not the ring. What do I connect

or what am I missing. A210.


I presume you're wrestling with this diagram . . . or siblings . .

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nuckolls.bob(at)aeroelect
Guest

Posted: Mon Jun 03, 2013 9:32 pm Post subject: Icom Ic-A210

At 12:48 PM 6/3/2013, you wrote:

  	  Quote: 	
		  Ok Bob, 

 I guess I didn't express myself correctly as I am having trouble with the symbiology involved with these devices. Is it correct to say that the symbol that looks like a little rectangle is the symbol for the "sleeve"? And is it correct that the symbol that looks like an inverted pyramid blackened is for the "ring"? And for clarification purposes in your drawing of the Microcom 760VHF transceiver is the symbol that looks like a Pyramid blackened the "tip" or PTT? 	




   I'm not aware of any 'convention' for this symbol.



 [img]cid:7.1.0.9.0.20130604002358.01e85fc8(at)aeroelectric.com.0[/img] 



   I've drawn it both ways when both mic (ring) and

   PTT (tip) are connected. Your 'clue' is the relative

   position of the two contacts. The one nearest the

   mount would be sleeve; the one furthest away would be

   the tip.



   The problem you're wrestling with is ICOM's use

   of the symbol wherein the UNUSED terminal is not

   shown . . . so if only one is shown, which one

   is it?  You have to deduce tip from ring by tracing

   where it's wired to the rest of the system. In my

   earlier posting, I deduced that the contacts shown

   were mic (ring) connections because they were wired

   to mic audio terminals for the radio. 



   If I were making the drawing, I might use either

   of the two versions shown but I would leave the

   UNUSED terminal in place such that it's obvious

   as to which one IS used.



 

 

   Bob . . .

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barber_seville(at)msn.com
Guest

Posted: Tue Jun 04, 2013 4:05 am Post subject: Icom Ic-A210

That does it, thanks Bob.

Chuck

“A nation can survive its fools, and even the ambitious. But it cannot survive treason from within. An enemy at the gates is less formidable, for he is known and carries his banner openly. But the traitor moves amongst those within the gate freely, his sly whispers rustling through all the alleys, heard in the very halls of government itself. 



M T Cicero



On Jun 4, 2013, at 1:30 AM, "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

[quote]  At 12:48 PM 6/3/2013, you wrote:

  	  Quote: 	
		  Ok Bob, 

 I guess I didn't express myself correctly as I am having trouble with the symbiology involved with these devices. Is it correct to say that the symbol that looks like a little rectangle is the symbol for the "sleeve"? And is it correct that the symbol that looks like an inverted pyramid blackened is for the "ring"? And for clarification purposes in your drawing of the Microcom 760VHF transceiver is the symbol that looks like a Pyramid blackened the "tip" or PTT? 	




   I'm not aware of any 'convention' for this symbol.



 <bb30f88.jpg> 



   I've drawn it both ways when both mic (ring) and

   PTT (tip) are connected. Your 'clue' is the relative

   position of the two contacts. The one nearest the

   mount would be sleeve; the one furthest away would be

   the tip.



   The problem you're wrestling with is ICOM's use

   of the symbol wherein the UNUSED terminal is not

   shown . . . so if only one is shown, which one

   is it?  You have to deduce tip from ring by tracing

   where it's wired to the rest of the system. In my

   earlier posting, I deduced that the contacts shown

   were mic (ring) connections because they were wired

   to mic audio terminals for the radio. 



   If I were making the drawing, I might use either

   of the two versions shown but I would leave the

   UNUSED terminal in place such that it's obvious

   as to which one IS used.



 

 

   Bob . . .  

[b]

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