Mark,
Having the same connector is not entirely sufficient. Use your ohmmeter
on the connector. Ring 2 should be 0 ohms to ring 1 when PTT is
closed. If not, then some re-wiring in the mic head itself may be
required. Hopefully there is a wire from the mic head to ring 2 and
also ring 1 of the connector.
73,
Don W3FPR
On 10/22/2024 6:56 PM, Mark Cohen wrote:
Hi folks,
I recently purchased a Yaesu SSM-17A
<https://www.amazon.com/Yaesu-Standard-Microphone-SSM-17A-Replaces/dp/B089YW2BP9>
speaker microphone hoping to use it with my KX2. I don't need the up/down buttons on
the Elecraft MH3, and it's less than half the price.
I'm surprised to find that the PTT button on the Yaesu speaker mic does not
seem to work with the KX2. I've tried every combination of the MIC BIAS and MIC
BTN options to no avail. I can get audio out from the mic using the front panel
XMIT button, but the PTT on the hand mic does not key the transceiver.
Does anyone have advice on debugging this? Or is it just fundamentally
incompatible? I'm surprised because the connector is exactly the same as the
Elecraft MH3.
Thanks in advance for any knowledge you might be able to share, and 73 de Mark
WA7MPC.
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