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Question about NX-700 mic input

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Jorge93

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Feb 25, 2020
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Hello guys, i have a noob question about the mic pin of this radio (in general). I am new in this world, and i don't know if i can deploy an audio file in this pin.

This is my situation: I am looking to connect a computer to this radio: jack (computer) to RJ45 or DB25 (if it's possible). I am planning to enable PTT using Speech Call command, then play some audio to the jack.

Can be my story come true? Or is it impossible? I appreciate all your wisdom!

Thanks for read!
 

mmckenna

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Using the DB-25 on the rear of the radio will have the PTT and MIC level inputs needed. You could do it through the RJ-45, but it's probably easier and more flexible to use the rear connector.

You'll have to do some programming changes to set the DB-25 up the way you want, though. I'm doing that with 6 NX-900's to interface to a radio console.
 

Jorge93

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Feb 25, 2020
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Yeah, about the second line of your comment: my partner told me some like that, i have this in mind.

but I don't know if my logic of connecting the jack to the microphone pin could work :(
 

mmckenna

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Yeah, about the second line of your comment: my partner told me some like that, i have this in mind.

but I don't know if my logic of connecting the jack to the microphone pin could work :(
It can work. Either way, you're going to need to massage the line level audio down to a level that the mic input is going to be happy with.
 
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