MH2 on K3?

[Leroy]

“No internal hardware changes are required to use your MH2
with the Elecraft K3. Setup consists of attaching the
microphone, enabling it using the MENU commands and
making other front-panel adjustments.
Note: The jumper blocks and 5.6 k resistor supplied with
your microphone are not used. They are required only when
using the MH2 with an Elecraft K2.
The K3 can receive microphone input from either front
or back panel connectors. Select the front panel connector as
follows:
1. Tap MENU and locate MIC SEL with VFO B.
2. Select FP.L or FP.H with VFO A.
3. If FP.H is displayed, tap the 1 button to toggle the
display to show FP.L.
4. Tap the 2 button as needed to display bI AS. (This
turns on the microphone bias voltage required by
the MH2.)
Plug the microphone into the K3 front panel 8-pin”


This is from the Elecraft page on using MH2 with K3.

Where is this plug in for a MH2 on the front panel?


Mine won’t work on the rear panel plug in. I ordered a MH3
as well, II t won’t work either.

What microphone are  you guys using on the K3S that uses  the 8 pin
front panel plug?

New K3S that I can’t talk on.  

Leroy AB7CE

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[G8BYB]

Hi Leroy,
I recently bought a K3s and after eventually finding out that I had to change the default configuration to have the bias turned on it seemed to work. My MH2 came with an eight pin plug already fitted that uses the front panel mic socket.
I still have a problem in that I don't find any difference between the high and low mic settings and need to have my mic gain set at 2 or 3 as well as speak with the microphone about 3 inches away from my mouth otherwise I over modulate which gives a very poor signal. I am sure something is not right but can't find what is causing this at the moment.
It may be my big mouth but I don't have this problem with my KX3 which uses the MH3 microphone and "expected" mic settings. Everything just works fine on that.
When time permits I will look into fitting a small attenuator into the mic lead so that I can get a more stable ALC reading.
I haven't yet tried using the back panel mic socket but may give it a try soon with my Sennheiser headset to see if it overcomes some of the mic gain issues I have with the MH2.
Andrew G8BYB

-----Original Message-----
From: lmarion
Sent: 14 June 2016 01:48
Subject: [Elecraft] MH2 on K3?

Where is this plug in for a MH2 on the front panel?

Mine won t work on the rear panel plug in. I ordered a MH3 as well, II t won t work either.

What microphone are  you guys using on the K3S that uses  the 8 pin front panel plug?

New K3S that I can t talk on.  

Leroy AB7CE


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Help: http://mailman.qth.net/mmfaq.htm
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