[Elecraft] new K3S (10195) and audio level drop when KPA500 in Oper mode

[Dick Dievendorff]

Perhaps your KPA500 key line is being pulled low?  Might be a cable issue.
I think there's an asterisk on the left side of the KPA500 LCD that shows
when the PA KEY line is being pulled down.

73 de Dick, K6KR

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of jim
rogers
Sent: Saturday, August 29, 2015 9:07 AM
To: elecraft at mailman.qth.net
Subject: [Elecraft] new K3S (10195) and audio level drop when KPA500 in Oper
mode

Good morning,

I have a new K3S, serial # 10195.  All was going well until I hooked up my
KPA500 to the K3S using the Elecraft supplied aux cable (E850463).

In standby mode (on the KPA500) the audio level on the K3S is nice and loud,
BUT when I press the OPER button on the KPA500 the audio level on the K3S
all but disappears!

If I then press STBY on the KPA500, the audio level on the K3S returns to
loud. Only the E850463 cable connects between the two Elecraft components.

The KPA500 is about 1 year old and has performed flawlessly to date.  Do I
have a Firmware issue with the "older" KPA500 and the brand new K3S?

Thank you for any suggestion on how to resolve this issue.

Jim N4DU




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