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K3 and David Clark aviation headphones

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ve3dvy

K3 and David Clark aviation headphones

Will my DC h10-40s work on the K3? I am using a David Clark h10-40
aviation headset that I modified with new connector and cable etc to
work with my kenwood ts430 rig and it works well with good reports and
nice audio in the earphones. I was wondering how well the K3 will
work with these, the mic is a 150 ohm noise canceling electret that
needs minimum 9V according to DC specs, but seems to work fine using
the 8V on the kenwood mic connection. Will the K3 work OK with a mic
at just 150 ohms? I realize I'll have to rewire the 8pin mic
connector on the headphones since the wiring is a little different
than the kenwood with the 8V power is on a different pin on the K3.
I love these headphones as they are dead quiet both at the mic with
its noise canceling, and in the earphones. Perfect for working in a
noisy place like a tent full of loud ops on field day.

73

David Moes
VE3DVY

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Jim Brown-10

Re: K3 and David Clark aviation headphones

On 9/26/2011 7:13 PM, David Moes wrote:
> Will my DC h10-40s work on the K3?

The K3 is VERY flexible with respect to headphones and mics. It
provides the bias you need at both the front panel (8-pin) and rear
panel (1/8-in) mic connectors. All you have to do is go into the setup
menu and choose the mic connector you want to use and turn on the bias.
The K3 also has an excellent graphic equalizer that can make virtually
any decent mic sound great, whether your definition of great is full ham
response for rag chewing or narrow, punchy response for maximum talk
power. Note that TX and RX response are limited by the crystal filter
used for TX and the IF response used for RX.

73, Jim Brown K9YC

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Eugene Balinski

K2 Info 080 Error while attempting computer contro

In reply to this post by ve3dvy

All,

Trying to get my K2/100/KAT-100 operation with N1MM.
Bought the Elecraft USB-Serial adapter. Installed the
driver from the FTDI web site. Seems to be operational.

Connected the cable to the computer (device found, etc).
Connected the other end to the radio/antenna tuner serial
cable, powered up the radio, and get the "INFO 080" error.
Cycled the power, same issue.

Also, and the antenna tuner will not power up while the
computer cable is connected. The serial cable is the "Y"
configuration running from the radio to the tuner and then
to the db-9 where the serial- usb converter is connected.
Turning off the radio, removing the cable and re-powering
the tadio returns the radio to normal ops.

I disconnected the antenna tuner portion of the cable
and still get the same error. Reconnect everything without
the serial-usb converter in the line and all works
normally.

This is not a stock serial cable. It is supposedly
one made especially for this application i.e K2 "special
cable". I guess I will start by ohming out the cable.

Any other ideas would be appreciated.

73

Gene K1NR

K2 6XXX
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aj4tf

Re: K2 Info 080 Error while attempting computer contro

The K2 cables are not standard RS-232 cables. They only have pins 2,3,
and 5 connected. This is documented in the manuals, you should review
the manuals carefully to make sure you have constructed the cables
correctly.

INFO 080 according to the manual indicates a problem with the I/O
controller or possibly the AUX bus. See appendix E of the K2 manual.

I know I'm just telling to you to "RTFM" but the Elecraft documentation
is pretty good. You can always download an up-to-date copy of any
manual from the Elecraft web site.

> Message: 27
> Date: Sun, 02 Oct 2011 09:11:14 -0400
> From: "Eugene Balinski" <[hidden email]>
> Subject: [Elecraft] K2 Info 080 Error while attempting computer contro
> To: <[hidden email]>
> Message-ID: <[hidden email]>
> Content-Type: text/plain; charset="windows-1252"
>
> All,
>
> Trying to get my K2/100/KAT-100 operation with N1MM.
> Bought the Elecraft USB-Serial adapter. Installed the
> driver from the FTDI web site. Seems to be operational.
>
> Connected the cable to the computer (device found, etc).
> Connected the other end to the radio/antenna tuner serial
> cable, powered up the radio, and get the "INFO 080" error.
> Cycled the power, same issue.
>
> Also, and the antenna tuner will not power up while the
> computer cable is connected. The serial cable is the "Y"
> configuration running from the radio to the tuner and then
> to the db-9 where the serial- usb converter is connected.
> Turning off the radio, removing the cable and re-powering
> the tadio returns the radio to normal ops.
>
> I disconnected the antenna tuner portion of the cable
> and still get the same error. Reconnect everything without
> the serial-usb converter in the line and all works
> normally.
>
> This is not a stock serial cable. It is supposedly
> one made especially for this application i.e K2 "special
> cable". I guess I will start by ohming out the cable.
>
> Any other ideas would be appreciated.
>
> 73
>
> Gene K1NR
>
> K2 6XXX

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david m

Re: K2 Info 080 Error while attempting computer contro

In reply to this post by Eugene Balinski

I meant to say, they only have 2,3, and 5 connected at the *computer*
end.

On Sun, 2011-10-02 at 12:37 -0400, david wrote:
> The K2 cables are not standard RS-232 cables. They only have pins 2,3,
> and 5 connected. This is documented in the manuals, you should review
> the manuals carefully to make sure you have constructed the cables
> correctly.

> > Message: 27
> > Date: Sun, 02 Oct 2011 09:11:14 -0400
> > From: "Eugene Balinski" <[hidden email]>
> > Subject: [Elecraft] K2 Info 080 Error while attempting computer contro
> > To: <[hidden email]>
> > Message-ID: <[hidden email]>
> > Content-Type: text/plain; charset="windows-1252"
> >
> > All,
> >
> > Trying to get my K2/100/KAT-100 operation with N1MM.
> > Bought the Elecraft USB-Serial adapter. Installed the
> > driver from the FTDI web site. Seems to be operational.
> >
> > Connected the cable to the computer (device found, etc).
> > Connected the other end to the radio/antenna tuner serial
> > cable, powered up the radio, and get the "INFO 080" error.
> > Cycled the power, same issue.
> >
> > Also, and the antenna tuner will not power up while the
> > computer cable is connected. The serial cable is the "Y"
> > configuration running from the radio to the tuner and then
> > to the db-9 where the serial- usb converter is connected.
> > Turning off the radio, removing the cable and re-powering
> > the tadio returns the radio to normal ops.
> >
> > I disconnected the antenna tuner portion of the cable
> > and still get the same error. Reconnect everything without
> > the serial-usb converter in the line and all works
> > normally.
> >
> > This is not a stock serial cable. It is supposedly
> > one made especially for this application i.e K2 "special
> > cable". I guess I will start by ohming out the cable.
> >
> > Any other ideas would be appreciated.
> >
> > 73
> >
> > Gene K1NR
> >
> > K2 6XXX
>

Don Wilhelm-4

Re: K2 Info 080 Error while attempting computer contro

In reply to this post by Eugene Balinski

Gene,

An INFO 080 message is caused by a problem on the AUXBUS signal, so pay
particular attention to the DB-9 connector pin 6 in the cable. It might
be a good idea to open the backshells to see if there is a wire whisker
from pin 6 to any other pin, or a broken wire on pin 6.

73,
Don W3FPR

On 10/2/2011 9:11 AM, Eugene Balinski wrote:

> All,
>
> Trying to get my K2/100/KAT-100 operation with N1MM.
> Bought the Elecraft USB-Serial adapter. Installed the
> driver from the FTDI web site. Seems to be operational.
>
> Connected the cable to the computer (device found, etc).
> Connected the other end to the radio/antenna tuner serial
> cable, powered up the radio, and get the "INFO 080" error.
> Cycled the power, same issue.
>
> Also, and the antenna tuner will not power up while the
> computer cable is connected. The serial cable is the "Y"
> configuration running from the radio to the tuner and then
> to the db-9 where the serial- usb converter is connected.
> Turning off the radio, removing the cable and re-powering
> the tadio returns the radio to normal ops.
>
> I disconnected the antenna tuner portion of the cable
> and still get the same error. Reconnect everything without
> the serial-usb converter in the line and all works
> normally.
>
> This is not a stock serial cable. It is supposedly
> one made especially for this application i.e K2 "special
> cable". I guess I will start by ohming out the cable.
>
> Any other ideas would be appreciated.
>
> 73
>
> Gene K1NR
>
> K2 6XXX
> ---------------------------------------------------------------------
> Web mail provided by NuNet, Inc. The Premier National provider.
> http://www.nni.com/
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>