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565michookup [2007/05/20 20:43] (current)
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 +====== Orion Mic Hook-up ======
 +**From the Ten-Tec Reflector December 11, 2004**
  
 +For those that may not have seen a post by Paul Clinton with TT, I'll repost it here for your use.
 + 
 +Orion Mic Wiring (Later Versions -around June of this year I believe, could be a little earlier)
 + 
 +Orion Mic connector:
 +  *Pin # 1 = Mic Send +
 +  *Pin # 2 = Mic Return -
 +    *Shield to mic connector through to the Mic body (or Pin # 1 if your using XLR connectors)
 +  *Pin # 3 = PTT
 +  *Pin # 4 = 9+VDC
 + 
 +Good mic cable (as sold by Heil) will have the Mic + and Mic - wrapped ​ in the shield.
 + 
 +To verify whether you have an older version of Orion, take an Ohm Meter, set to measure resistance, put one lead on the Orion Mic connector, put the other lead on the ground wing nut on the back of the Orion........you should ​ read a direct short........no resistance whatsoever. Older versions of the Orion had you using Pin # 2 as ground as shown in the operations manual.
 + 
 +Hope this helps a few
 + 
 +73\\ 
 +John / N0KHQ
 +
 +----
 +**December 11, 2004**
 +
 +Using a mic with XLR such as the Goldline wire it as follows:
 +
 +  *XLR = Pin # 1 (shield/​gnd) to mic connector case - this shield wire comes back out of                                                     the connector and is secured by wrapping ​                                                                          it around one of the screws you tighten down to hold the mic cord in place.
 +  *XLR = Pin # 2 This is the Audio Send (+) it wires to Pin # 1 on  the Orion mic connector.
 +  *XLR = Pin # 3 This is the Audio Return ( - ) it wires to Pin # 2 on the Orion Mic connector
 +
 +If you are using a Foot Switch or separate PTT switch, wire as follows:
 + 
 +  *PTT or Foot Switch wire one side to Pin # 3 on the Orion mic connector, the other wire wires to the shield (chassis ground) at the Orion mic  connector.
 +Or 
 +  *You can bypass the mic connector all together for the PTT or Foot Switch and use the AUX I/O as shown on page 28 of the Orion'​s Operations Manual.
 +Or
 +  *You can use the CW 1/4" phono plug on the front of the Orion and in Menu under CW change SSB: CW Jack PTT = On. (this is what I use)
 +
 +If I can be of further help let me know
 + 
 +John / N0KHQ / St. Louis
 +
 +----
 +**December 19, 2004**
 +
 +If you want to know if you have the later version of the Orion, take a multi-meter and set it to OHMS. One lead will go to the Orion mic connector, the other lead will go to the ground wing nut on the back of the Orion. If the meter  shows a direct SHORT, you have the later version (this is because the Orion mic  connector is chassis grounded). If the meter shows an OPEN or any resistance at  all you have the earlier version. (Orion mic connector not chassis grounded).
 +
 +Assuming Orion later version: (Orion mic connector grounded to chassis)
 +
 +There should be 2 wires coming off of the mic Element. Possibly white and (red or black). If you look real, real close at where the wires are soldered to the element you may see a + sign and a - sign. Maybe! If not, I would  choose the white wire as being the Audio hot lead (+ send) and the other  wire would be the Audio ground lead (- return).
 +
 +If I were you, I would purchase some good quality mic cable. This cable  will have 2 wires (usually white and red) that are surrounded by a shield wire. Additional wires may be in the cable but they will be by them selves (not wrapped within the shield) these wires can be used for PTT or whatever). ​ Heil sells excellent mic cable, very well shielded.
 +
 +The shield of the cable connects between the mic housing case and the mic connector on the other end of the mic cable. Thats all it does.
 +
 +One of the wires that is surrounded by the mic cable shield wire will become the audio hot lead + (send) usually white, the other wire will be the audio ground lead - (return) usually red.
 +
 +The Audio + lead (white (send)) will go to Pin #1 on the Orion, ​ the Audio - lead (red (return)) will go to Pin #2 on the Orion. PTT  wire (PTT grounds to chassis) (1 wire only) will go to Pin #3 on the  Orion. Inside your mic PTT switch you may have to run a wire from there to the mic housing shield. ​
 +
 +Or
 +
 +You can send your Audio in through the rear of the Orion like I do at line level and say "to hell with the Orion mic connector"​. There are 3 ways to key the Orion, 1 is through the rear of the rig. The other is a 1/4" mono phone plug inserted into the "​CW"​ on the front of the Orion (requires a Menu  change) and 3rd is to use the mic PTT Pin #3.
 +
 +You have a whole lot of choices, just choose the right one for you.
 +
 +Happy Holidays.
 + 
 +John / N0KHQ

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